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发明人胡光,高志强,孙丽萍. "Method for the Synthesis of (2Z)-3-[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]-2-cyanobut-2-enamide" [P]. 中国发明专利, 专利号 CN 117389588 A, 授权公告日 2016-06-22.
发明人林芳,孙丽萍,郭海燕. "A Process for Preparing High-Purity (2Z)-3-[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]-2-cyanobut-2-enamide" [P]. 中国发明专利, 专利号 CN 109654325 B, 授权公告日 2017-11-18.
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