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发明人张德明,朱建伟,刘建华. "Method for the Synthesis of 2-Thioxo-2,3-dihydro-1H-benzimidazole-5-carboxylic acid
2-thioxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylic acid
58089-25-1" [P]. 中国发明专利, 专利号 CN 112256422 A, 授权公告日 2017-03-25.
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