发明人高志强,王建平,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116809662 A, 授权公告日 2023-02-28.
发明人唐晓军,李文辉,胡光. "Method for the Synthesis of 3-(4-Chlorobenzenesulfonyl)-N-[(1E)-(dimethylamino)methylidene]-5-(trifluoromethyl)pyridine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112763297 A, 授权公告日 2024-03-26.
发明人马晓峰,罗永刚,何建平. "A Process for Preparing High-Purity 3-(4-Chlorobenzenesulfonyl)-N-[(1E)-(dimethylamino)methylidene]-5-(trifluoromethyl)pyridine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 117147014 B, 授权公告日 2017-02-10.
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