发明人张德明,刘建华,孙丽萍. "Method for the Synthesis of 2-(Difluoromethyl)-4-methyl-3-nitropyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 110047606 A, 授权公告日 2023-12-27.
发明人朱建伟,罗永刚,徐明华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-methyl-3-nitropyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 111705024 A, 授权公告日 2019-05-08.
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