发明人朱建伟,刘建华,何建平. "Method for the Synthesis of 4-methoxy-3-({[3-(2-oxopyrrolidin-1-yl)propyl]amino}sulfonyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 115128831 B, 授权公告日 2016-06-17.
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