发明人张德明,高志强,沈红梅. "Method for the Synthesis of (2Z)-3-Oxo-N-phenyl-2-({[4-(trifluoromethyl)phenyl]amino}methylidene)butanamide" [P]. 中国发明专利, 专利号 CN 108611327 B, 授权公告日 2016-01-04.
发明人钱学锋,冯建国,周伟. "A Process for Preparing High-Purity (2Z)-3-Oxo-N-phenyl-2-({[4-(trifluoromethyl)phenyl]amino}methylidene)butanamide" [P]. 中国发明专利, 专利号 CN 111743127 B, 授权公告日 2020-10-21.
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