发明人张德明,林芳,沈红梅. "Method for the Synthesis of 4-Chloro-3-[(hexahydro-1H-azepin-1-yl)sulfonyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 112832001 A, 授权公告日 2016-06-24.
发明人李文辉,徐明华,冯建国. "A Process for Preparing High-Purity 4-Chloro-3-[(hexahydro-1H-azepin-1-yl)sulfonyl]benzoic acid" [P]. 中国发明专利, 专利号 CN 114443472 B, 授权公告日 2022-10-04.
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