发明人马晓峰,陈志强,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110081675 A, 授权公告日 2023-07-09.
发明人王建平,黄志刚,李文辉. "Method for the Synthesis of (4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-{[(morpholin-4-yl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 110717511 A, 授权公告日 2016-11-12.
发明人郭海燕,刘建华,唐晓军. "A Process for Preparing High-Purity (4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-{[(morpholin-4-yl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one" [P]. 中国发明专利, 专利号 CN 108405921 A, 授权公告日 2022-08-01.
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