发明人杨光,郑宇鹏,韩伟. "Method for the Synthesis of 4-(4-Methoxybenzylidene)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 113575162 B, 授权公告日 2018-03-12.
发明人孙丽萍,钱学锋,何建平. "A Process for Preparing High-Purity 4-(4-Methoxybenzylidene)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116943071 B, 授权公告日 2016-07-17.
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