发明人韩伟,陈志强,钱学锋. "Method for the Synthesis of 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 109663018 A, 授权公告日 2016-04-22.
发明人刘建华,冯建国,赵玉洁. "A Process for Preparing High-Purity 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 110940160 A, 授权公告日 2019-12-03.
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