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发明人林芳,罗永刚,沈红梅. "Method for the Synthesis of (4Z)-3-Methyl-4-{[(4-phenoxyphenyl)amino]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 116143595 A, 授权公告日 2021-09-13.
发明人黄志刚,高志强,沈红梅. "A Process for Preparing High-Purity (4Z)-3-Methyl-4-{[(4-phenoxyphenyl)amino]methylidene}-1-phenyl-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 111952849 B, 授权公告日 2022-09-27.
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