发明人黄志刚,郭海燕,沈红梅. "Method for the Synthesis of 4-[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117588721 A, 授权公告日 2016-06-27.
发明人沈红梅,赵玉洁,何建平. "A Process for Preparing High-Purity 4-[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 112243126 B, 授权公告日 2017-01-18.
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