发明人高志强,罗永刚,杨光. "Method for the Synthesis of 4-Ethoxy-3-(3-(pyridin-4-yl)ureido)benzene-1-sulfonyl chloride sulfate" [P]. 中国发明专利, 专利号 CN 115977692 A, 授权公告日 2023-06-08.
发明人陈志强,周伟,黄志刚. "A Process for Preparing High-Purity 4-Ethoxy-3-(3-(pyridin-4-yl)ureido)benzene-1-sulfonyl chloride sulfate" [P]. 中国发明专利, 专利号 CN 109890956 B, 授权公告日 2023-12-27.
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