发明人李文辉,马晓峰,周伟. "Method for the Synthesis of 4-(4-((5-Chloro-2-methoxyphenyl)sulfonyl)piperazin-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 117741128 B, 授权公告日 2019-06-08.
发明人胡光,郑宇鹏,沈红梅. "A Process for Preparing High-Purity 4-(4-((5-Chloro-2-methoxyphenyl)sulfonyl)piperazin-1-yl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 116803000 A, 授权公告日 2015-03-05.
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