发明人刘建华,韩伟,郭海燕. "一种5-bromo-2-ethoxy-N-methylbenzene-1-sulfonamide的合成方法" [P]. 中国发明专利, 专利号 CN 108344098 A, 授权公告日 2020-03-13.
发明人高志强,刘建华,何建平. "Method for the Synthesis of 5-bromo-2-ethoxy-N-methylbenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 111113894 B, 授权公告日 2018-09-01.
发明人赵玉洁,郭海燕,沈红梅. "A Process for Preparing High-Purity 5-bromo-2-ethoxy-N-methylbenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 117852712 B, 授权公告日 2022-08-10.
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