发明人徐明华,何建平,冯建国. "Method for the Synthesis of N-ethyl-2-(6-oxo-1-(3-(trifluoromethyl)benzyl)-1,6-dihydropyridine-3-carbonyl)hydrazine-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 117701715 A, 授权公告日 2018-11-13.
发明人郭海燕,徐明华,杨光. "A Process for Preparing High-Purity N-ethyl-2-(6-oxo-1-(3-(trifluoromethyl)benzyl)-1,6-dihydropyridine-3-carbonyl)hydrazine-1-carbothioamide" [P]. 中国发明专利, 专利号 CN 108955058 A, 授权公告日 2019-11-28.
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