发明人王建平,刘建华,何建平. "Method for the Synthesis of 2-(4,5,6,7-Tetrachloro-1,3-dioxoisoindolin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110711047 A, 授权公告日 2022-04-16.
发明人李文辉,黄志刚,朱建伟. "A Process for Preparing High-Purity 2-(4,5,6,7-Tetrachloro-1,3-dioxoisoindolin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109431554 A, 授权公告日 2017-01-09.
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