发明人李文辉,马晓峰,唐晓军. "Method for the Synthesis of 4-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenoxy)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108051440 B, 授权公告日 2023-08-08.
发明人高志强,黄志刚,胡光. "A Process for Preparing High-Purity 4-(4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)phenoxy)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 112856112 A, 授权公告日 2021-12-18.
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