发明人黄志刚,唐晓军,李文辉. "Method for the Synthesis of 5-(3-Butylureido)-2-ethoxybenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113909110 A, 授权公告日 2021-07-05.
发明人李文辉,张德明,胡光. "A Process for Preparing High-Purity 5-(3-Butylureido)-2-ethoxybenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 109190324 A, 授权公告日 2025-02-17.
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