发明人马晓峰,徐明华,罗永刚. "Method for the Synthesis of Methyl 2-chloro-7-hydroxybenzo[b]thiophene-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110637396 A, 授权公告日 2024-03-12.
发明人朱建伟,郑宇鹏,王建平. "A Process for Preparing High-Purity Methyl 2-chloro-7-hydroxybenzo[b]thiophene-6-carboxylate" [P]. 中国发明专利, 专利号 CN 109320649 A, 授权公告日 2018-01-03.
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