发明人黄志刚,朱建伟,唐晓军. "Method for the Synthesis of 4-(Methylsulfonyl)-2-(piperazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 111034094 A, 授权公告日 2020-03-23.
发明人张德明,韩伟,陈志强. "A Process for Preparing High-Purity 4-(Methylsulfonyl)-2-(piperazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 108381332 A, 授权公告日 2020-09-04.
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