发明人钱学锋,李文辉,沈红梅. "Method for the Synthesis of (5Z)-4-Methoxy-5-{[(4-phenoxyphenyl)amino]methylidene}-2,5-dihydrofuran-2-one" [P]. 中国发明专利, 专利号 CN 116486381 B, 授权公告日 2025-11-05.
发明人郭海燕,黄志刚,冯建国. "A Process for Preparing High-Purity (5Z)-4-Methoxy-5-{[(4-phenoxyphenyl)amino]methylidene}-2,5-dihydrofuran-2-one" [P]. 中国发明专利, 专利号 CN 116323556 B, 授权公告日 2019-04-15.
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