发明人何建平,刘建华,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114955650 A, 授权公告日 2015-04-12.
发明人赵玉洁,林芳,胡光. "Method for the Synthesis of 4-{[(3,5-dichlorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 111308339 B, 授权公告日 2023-08-10.
发明人冯建国,杨光,黄志刚. "A Process for Preparing High-Purity 4-{[(3,5-dichlorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 111076420 A, 授权公告日 2020-07-20.
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