发明人高志强,何建平,孙丽萍. "Method for the Synthesis of Methyl 4-bromo-6-cyanobenzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111173427 A, 授权公告日 2017-06-06.
发明人钱学锋,沈红梅,张德明. "A Process for Preparing High-Purity Methyl 4-bromo-6-cyanobenzo[b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117562699 A, 授权公告日 2022-12-16.
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