发明人李文辉,赵玉洁,钱学锋. "Method for the Synthesis of 3-Carbamoyl-5-chloro-2-methoxybenzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 112143208 A, 授权公告日 2020-06-15.
发明人黄志刚,张德明,林芳. "A Process for Preparing High-Purity 3-Carbamoyl-5-chloro-2-methoxybenzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108410212 A, 授权公告日 2023-03-21.
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