发明人韩伟,周伟,沈红梅. "Method for the Synthesis of 2-(Difluoromethyl)-3-methoxypyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 114809252 B, 授权公告日 2017-03-26.
发明人赵玉洁,陈志强,张德明. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-methoxypyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 116195841 A, 授权公告日 2016-01-14.
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