发明人朱建伟,周伟,唐晓军. "一种5-溴-3-羟基苯并[b]噻吩-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 108389377 A, 授权公告日 2015-02-11.
发明人何建平,林芳,高志强. "Method for the Synthesis of 5-Bromo-3-hydroxybenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115996482 A, 授权公告日 2021-02-08.
发明人罗永刚,朱建伟,韩伟. "A Process for Preparing High-Purity 5-Bromo-3-hydroxybenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115063278 A, 授权公告日 2020-01-05.
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