发明人郑宇鹏,马晓峰,刘建华. "Method for the Synthesis of (1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109453912 B, 授权公告日 2022-08-22.
发明人马晓峰,郭海燕,冯建国. "A Process for Preparing High-Purity (1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116897941 B, 授权公告日 2015-10-22.
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