发明人刘建华,陈志强,杨光. "Method for the Synthesis of 3-amino-7-bromo-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113724192 A, 授权公告日 2020-02-19.
发明人韩伟,胡光,刘建华. "A Process for Preparing High-Purity 3-amino-7-bromo-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117127328 A, 授权公告日 2021-08-08.
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