发明人孙丽萍,徐明华,冯建国. "Method for the Synthesis of Methyl 3-(2-{[2-(2-chlorobenzenesulfonamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108846781 B, 授权公告日 2016-12-04.
发明人黄志刚,罗永刚,钱学锋. "A Process for Preparing High-Purity Methyl 3-(2-{[2-(2-chlorobenzenesulfonamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109747733 A, 授权公告日 2022-07-07.
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