发明人陈志强,韩伟,罗永刚. "Method for the Synthesis of Ethyl 2-((4-nitrophenyl)sulfonamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109273944 B, 授权公告日 2021-10-16.
发明人沈红梅,高志强,冯建国. "A Process for Preparing High-Purity Ethyl 2-((4-nitrophenyl)sulfonamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111433014 A, 授权公告日 2025-07-14.
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