发明人王建平,李文辉,张德明. "Method for the Synthesis of 5-cyano-3-methyl-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111316851 A, 授权公告日 2019-12-13.
发明人何建平,周伟,陈志强. "A Process for Preparing High-Purity 5-cyano-3-methyl-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110801002 A, 授权公告日 2018-10-23.
参考文献 Literature
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