发明人杨光,李文辉,罗永刚. "Method for the Synthesis of 4-(3,3-Dipropylureido)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111586086 A, 授权公告日 2021-08-21.
发明人韩伟,胡光,朱建伟. "A Process for Preparing High-Purity 4-(3,3-Dipropylureido)benzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114256301 B, 授权公告日 2020-08-10.
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