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发明人孙丽萍,沈红梅,郑宇鹏. "Method for the Synthesis of 4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 112559407 B, 授权公告日 2015-06-24.
发明人刘建华,杨光,胡光. "A Process for Preparing High-Purity 4-Chloro-N-(4-chlorophenyl)-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 108582644 A, 授权公告日 2020-05-26.
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