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Relationship between the structure and properties of ferrocene-containing chalcones and polychalcones: optical, surface, and magnetic characteristics 含二茂铁查尔酮和多查尔酮的结构和性质之间的关系：光学、表面和磁性
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5081-4
A. M. Shulgin, R. A. Dvorikova
{"title":"Relationship between the structure and properties of ferrocene-containing chalcones and polychalcones: optical, surface, and magnetic characteristics","authors":"A. M. Shulgin,&nbsp;R. A. Dvorikova","doi":"10.1007/s11172-026-5081-4","DOIUrl":"10.1007/s11172-026-5081-4","url":null,"abstract":"<div><p>Quantum chemical DFT calculations at the PBE0 D3(BJ) def2-TZVP level of theory were performed for model 1,3-bis(3-ferrocenyl-1-propen-2-one)benzene. These calculations adequately predicted its experimental UV-Vis spectrum as well as the electron density distribution, energy profiles, and energies of the frontier molecular orbitals. The main electronic transition, responsible for the absorption maximum at 307 nm, is associated with charge transfer from the ferrocene metal center to the ligand. The Michael and aldol condensation reactions, which accompany the Claisen—Schmidt polycondensation of 1,1′-diacetylferrocene with isophthalaldehyde and lead to disruption of conjugation and the introduction of polar hydroxy groups, cause a blue shift of the absorption maximum to 304 nm. As the pyrolysis duration and, especially, temperature are increased, the ultimate magnetization and coercive force of the samples were found to increase. This approach may be useful for the production of magnetic glasses and sorbents.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 8","pages":"2351 - 2358"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemical dissolution of metallic chromium evaluated using UV—Vis spectroscopy 紫外可见光谱法评价金属铬的电化学溶解
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5060-9
A. S. Ivanov, M. M. Nikitin, M. S. Safonov, A. V. Sukhov, O. J. Oluwole, D. G. Yakhvarov
{"title":"Electrochemical dissolution of metallic chromium evaluated using UV—Vis spectroscopy","authors":"A. S. Ivanov,&nbsp;M. M. Nikitin,&nbsp;M. S. Safonov,&nbsp;A. V. Sukhov,&nbsp;O. J. Oluwole,&nbsp;D. G. Yakhvarov","doi":"10.1007/s11172-026-5060-9","DOIUrl":"10.1007/s11172-026-5060-9","url":null,"abstract":"<div><p>The electrochemical dissolution of chromium in 0.1 <i>M</i> ammonium electrolyte solutions (Et<sub>3</sub>N•HCl, Et<sub>4</sub>NCl, and Bu<sub>4</sub>NBF<sub>4</sub>) with and without addition of 2-ethylhexanoic acid (2-EHA) was evaluated using in situ UV—Vis spectroelectrochemistry. Kinetic analysis revealed fractional reaction orders (0.7–1.1) for pure electrolytes, which indicated a rate-limiting step involving anions of the background electrolyte. The addition of 2-EHA changed kinetics of the process to oscillatory and wave-like, thus indicating that mechanism of the process became oscillatory. A model explaining the observed patterns, which includes the formation and competing decomposition of an intermediate complex, was proposed.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2122 - 2129"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and fungicidal activity of 2-aryl(benzyl)thio-3-nitropyridines 2-芳基（苄基）硫代-3-硝基吡啶的合成及其杀菌活性
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5073-4
M. A. Bastrakov, A. M. Starosotnikov, S. V. Popkov, A. L. Alekseenko
{"title":"Synthesis and fungicidal activity of 2-aryl(benzyl)thio-3-nitropyridines","authors":"M. A. Bastrakov,&nbsp;A. M. Starosotnikov,&nbsp;S. V. Popkov,&nbsp;A. L. Alekseenko","doi":"10.1007/s11172-026-5073-4","DOIUrl":"10.1007/s11172-026-5073-4","url":null,"abstract":"<div><p>A series of new 2-arylthio- and 2-benzylthio-3-nitropyridines was synthesized by nucleophilic substitution of a chlorine atom in 2-chloro-3-nitropyridines with aryl and alkyl thiols. <i>In vitro</i> fungicidal testing of the target compounds against six species of phytopathogenic fungi from various taxonomic classes revealed that most compounds exhibited good inhibitory activity against <i>Rhizoctonia solani</i> and <i>Bipolaris sorokiniana</i>. The lead compound, 5-chloro-3-nitro-2-phenylthiopyridine, almost completely inhibited mycelial growth of the phytopathogen <i>R. solani</i> at a concentration of 30 mg L<sup>−1</sup> and was superior to triadimefon against <i>Venturia inaequalis</i> and <i>B. sorokiniana</i>.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2251 - 2255"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristic features of the structure and electrochemical behavior of nanoglobular carbon-based anode material for lithium-ion batteries 纳米碳基锂离子电池负极材料的结构特征及电化学行为
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5059-2
Yu. V. Surovikin, L. S. Polyakova, D. A. Shlyapin, D. V. Agafonov, V. A. Likholobov
{"title":"Characteristic features of the structure and electrochemical behavior of nanoglobular carbon-based anode material for lithium-ion batteries","authors":"Yu. V. Surovikin,&nbsp;L. S. Polyakova,&nbsp;D. A. Shlyapin,&nbsp;D. V. Agafonov,&nbsp;V. A. Likholobov","doi":"10.1007/s11172-026-5059-2","DOIUrl":"10.1007/s11172-026-5059-2","url":null,"abstract":"<div><p>The template-directed gas-phase synthesis of nanocomposites (CVD coating) based on globular carbon was used to produce an effective anode material for a lithium-ion battery. A combination of CVD coating and high-temperature treatment (2800 °C) yielded samples with features of various carbon structural types (graphite, soft carbon, and hard carbon). The influence of the structural features of the model materials on their electrochemical behavior was studied. While having high operational stability, the resulting nanocomposites demonstrated a reversible specific capacity exceeding that of commercial materials MCMB and BTR 518.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2105 - 2121"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conjugates of tacrine with pyridoxal and salicylaldehyde derivatives as potential agents for the treatment of Alzheimer’s disease: synthesis and comparative biological evaluation 他克林与吡哆醛和水杨醛衍生物的缀合物作为治疗阿尔茨海默病的潜在药物：合成和比较生物学评价
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5077-0
M. V. Grishchenko, T. S. Shteinberg, N. V. Kovaleva, E. V. Rudakova, N. P. Boltneva, E. V. Shchegolkov, T. Yu. Astakhova, E. N. Timokhina, G. F. Makhaeva, Ya. V. Burgart, V. I. Saloutin, V. N. Charushin
{"title":"Conjugates of tacrine with pyridoxal and salicylaldehyde derivatives as potential agents for the treatment of Alzheimer’s disease: synthesis and comparative biological evaluation","authors":"M. V. Grishchenko,&nbsp;T. S. Shteinberg,&nbsp;N. V. Kovaleva,&nbsp;E. V. Rudakova,&nbsp;N. P. Boltneva,&nbsp;E. V. Shchegolkov,&nbsp;T. Yu. Astakhova,&nbsp;E. N. Timokhina,&nbsp;G. F. Makhaeva,&nbsp;Ya. V. Burgart,&nbsp;V. I. Saloutin,&nbsp;V. N. Charushin","doi":"10.1007/s11172-026-5077-0","DOIUrl":"10.1007/s11172-026-5077-0","url":null,"abstract":"<div><p>The condensation of aminooctyl-substituted tacrine with pyridoxal hydrochloride yielded a conjugate containing a pyridoximine moiety, which was then reduced with NaBH<sub>4</sub> to synthesize a tacrine—pyridoxamine conjugate. A comparative study of the biological activities of the pyridoximine/amine—tacrine conjugates and previously obtained salicylimine/amine analogs showed that all conjugates exhibit high anticholinesterase and anti-oxidant activities, along with anti-aggregation effects against β-amyloid. The inhibitory activity toward acetylcholinesterase (AChE) of salicylimine/amine conjugates (IC<sub>50</sub> up to 0.0172 µmol L<sup>−1</sup>) was higher than that of pyridoximine/amine conjugates (IC<sub>50</sub> up to 0.0497 µmol L<sup>−1</sup>), while the activity of the synthesized compounds toward butyrylchol-inesterase (BChE) (IC<sub>50</sub> up to 0.01 µmol L<sup>−1</sup>) was independent of the structure of the second pharmacophore. All conjugates block the AChE-induced aggregation and self-aggregation of β-amyloid, with salicyl-based conjugates more effectively displacing the propidium cation (up to 19.8%) and suppressing Aβ<sub>42</sub> self-aggregation (up to 80.1%) compared to pyridoxal-based derivatives (up to 13.0 and 47.6%, respectively). Pyridoximine/amine conjugates are more potent antioxidants (TEAC up to 2.03) than their salicyl-based analogs (TEAC up to 1.27).</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2295 - 2305"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Promising thin-film transistors based on spirophotochromic compounds 基于螺光致变色化合物的有前途的薄膜晶体管
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5084-1
A. A. Khuzin, R. B. Salikhov, I. N. Mullagaliev, L. L. Khuzina, A. R. Tulyabaev, T. R. Salikhov, T. T. Yumalin
{"title":"Promising thin-film transistors based on spirophotochromic compounds","authors":"A. A. Khuzin,&nbsp;R. B. Salikhov,&nbsp;I. N. Mullagaliev,&nbsp;L. L. Khuzina,&nbsp;A. R. Tulyabaev,&nbsp;T. R. Salikhov,&nbsp;T. T. Yumalin","doi":"10.1007/s11172-026-5084-1","DOIUrl":"10.1007/s11172-026-5084-1","url":null,"abstract":"<div><p>Thin-film phototransistors based on spirophotochromic compounds of different chemical structure were fabricated and their optical, electrical, and photoelectronic properties were studied. The use of spirophotochromes of different chemical structure as the active layer of thin-film transistors leads to differences in the <i>I–V</i> characteristics, charge carrier mobility, and root-mean-square roughness of the film surfaces.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 8","pages":"2374 - 2381"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fast activation of substrates in the three-component coupling of aryl halide, norbornene, and arylacetylene with the formation of disubstituted bicyclo[2.2.1]heptanes 芳基卤化物、降冰片烯和芳基乙炔三组分偶联生成双取代双环[2.2.1]庚烷过程中底物的快速活化
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5057-4
A. A. Kurokhtina, E. V. Larina, N. A. Lagoda, S. A. Podoprigora, A. F. Schmidt
{"title":"Fast activation of substrates in the three-component coupling of aryl halide, norbornene, and arylacetylene with the formation of disubstituted bicyclo[2.2.1]heptanes","authors":"A. A. Kurokhtina,&nbsp;E. V. Larina,&nbsp;N. A. Lagoda,&nbsp;S. A. Podoprigora,&nbsp;A. F. Schmidt","doi":"10.1007/s11172-026-5057-4","DOIUrl":"10.1007/s11172-026-5057-4","url":null,"abstract":"<div><p>Kinetic evidence is presented for the fast (not rate-determining) character of the elementary steps of activation of aryl halide, norbornene, and arylacetylene in their three-component coupling to form bicyclo[2.2.1]heptane derivatives in the presence of the palladium catalyst. The data obtained indicate that the reaction rate is determined by the processes of catalyst formation—deactivation that occur outside the main catalytic cycle.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2087 - 2097"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of N,N′-dinaphthyl- and N,N′-diquinolinyl derivatives of polyoxa diamines and study of their capabilities for optical detection of metal cations 多氧二胺N，N′-二萘基和N，N′-二喹啉基衍生物的合成及其对金属阳离子光学检测能力的研究
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5062-7
D. S. Kuliukhina, A. V. Murashkina, D. I. Gusev, A. D. Averin, O. A. Maloshitskaya, I. P. Beletskaya
{"title":"Synthesis of N,N′-dinaphthyl- and N,N′-diquinolinyl derivatives of polyoxa diamines and study of their capabilities for optical detection of metal cations","authors":"D. S. Kuliukhina,&nbsp;A. V. Murashkina,&nbsp;D. I. Gusev,&nbsp;A. D. Averin,&nbsp;O. A. Maloshitskaya,&nbsp;I. P. Beletskaya","doi":"10.1007/s11172-026-5062-7","DOIUrl":"10.1007/s11172-026-5062-7","url":null,"abstract":"<div><p>The formation of <i>N</i>,<i>N</i>′-dinaphthyl- and <i>N</i>,<i>N</i>′-diquinolinyl derivatives of linear di- and trioxa diamines using the Chan—Lam amination reaction was studied. The possibility of introducing naphthalene-2-boronic acid and quinoline-6-boronic acid pinacolate into the reaction was demonstrated (up to 64 and 53% yields of the products, respectively), while a strong dependence of the yields on the structure of polyoxa diamines was discovered. For comparison, CuI-catalyzed <i>N</i>,<i>N</i>′-diarylation of 2,2′-[ethane-1,2-diyl-bis(oxy)]diethanamine with 2-bromo- and 2-iodonaphthalene, 3- and 6-bromoquinoline was carried out, which gave the target compounds in 65–67% yields. The absorption and fluorescence spectra of synthesized naphthyl and quinolinyl derivatives of polyoxa diamines and their dependence on the presence of 21 metal salts were studied. In the case of 2-naphthyl derivatives, characteristic changes in the absorption and emission spectra occurred in the presence of Cu<sup>II</sup> cations, while 6-quinolinyl derivatives gave a characteristic response to a group of certain cations (Al<sup>III</sup>, Cr<sup>III</sup>, Cu<sup>II</sup>, Ga<sup>III</sup>, In<sup>III</sup>, Pb<sup>II</sup>), and the 3-quinolinyl derivative exhibited a characteristic change in the fluorescence spectrum in the presence of divalent copper cations. NMR titration of a number of compounds with Zn(ClO<sub>4</sub>)<sub>2</sub>, Al(ClO<sub>4</sub>)<sub>3</sub>, Pb(ClO<sub>4</sub>)<sub>2</sub> was carried out, the composition of the complexes was determined and the stability constants were calculated.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 7","pages":"2138 - 2151"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and structure of 1-(dimethoxyphosphoryl)-2-phenylcyclopropanecarboxamide 1-（二甲氧基磷酰）-2-苯基环丙酰胺的合成与结构
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5112-1
A. V. Kuleshov, G. B. Lapa, E. M. Ignatieva, I. V. Trushkov
{"title":"Synthesis and structure of 1-(dimethoxyphosphoryl)-2-phenylcyclopropanecarboxamide","authors":"A. V. Kuleshov,&nbsp;G. B. Lapa,&nbsp;E. M. Ignatieva,&nbsp;I. V. Trushkov","doi":"10.1007/s11172-026-5112-1","DOIUrl":"10.1007/s11172-026-5112-1","url":null,"abstract":"<div><p>A donor-acceptor cyclopropane containing carbamoyl and dimethoxyphosphoryl groups as acceptor substituents was first synthesized by a simple two-step procedure involving radical phosphorylation of cinnamamide followed by the Corey—Chaykovsky cyclopropanation of the resulting alkene.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 8","pages":"2657 - 2661"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis and fungicidal activity of 1-adamantylmethyl-1-azolylalkyl-3-phenylthioureas 1-金刚烷基甲基-1-偶氮烷基-3-苯基硫脲的合成及抑菌活性研究
IF 1.6 4区 化学
Russian Chemical Bulletin Pub Date : 2026-10-17 DOI: 10.1007/s11172-026-5099-7
Iu. E. Sedova, A. L. Alekseenko, S. V. Popkov
{"title":"Synthesis and fungicidal activity of 1-adamantylmethyl-1-azolylalkyl-3-phenylthioureas","authors":"Iu. E. Sedova,&nbsp;A. L. Alekseenko,&nbsp;S. V. Popkov","doi":"10.1007/s11172-026-5099-7","DOIUrl":"10.1007/s11172-026-5099-7","url":null,"abstract":"<div><p>New 1-adamantylmethyl-ω-azolylalkanamines were synthesized and involved in the reactions with aryl isothiocyanates. Fungicidal activity of the resulting 1-adamantanmethyl-1-azolylalkyl-3-phenylthioureas against six strains of phytopathogens was evaluated.</p></div>","PeriodicalId":756,"journal":{"name":"Russian Chemical Bulletin","volume":"75 8","pages":"2513 - 2524"},"PeriodicalIF":1.6,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149189851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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