发明人朱建伟,沈红梅,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117738716 A, 授权公告日 2021-07-06.
发明人刘建华,高志强,周伟. "Method for the Synthesis of 4-(Difluoromethyl)-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 113217329 A, 授权公告日 2023-01-15.
发明人孙丽萍,冯建国,杨光. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 113324189 B, 授权公告日 2023-10-26.
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