发明人徐明华,唐晓军,林芳. "Method for the Synthesis of 1-n-Butyl-4-(pyrrolidine-1-sulfonyl)benzene-1,2-diamine" [P]. 中国发明专利, 专利号 CN 116350877 A, 授权公告日 2023-07-20.
发明人马晓峰,李文辉,黄志刚. "A Process for Preparing High-Purity 1-n-Butyl-4-(pyrrolidine-1-sulfonyl)benzene-1,2-diamine" [P]. 中国发明专利, 专利号 CN 116868282 A, 授权公告日 2021-04-07.
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