发明人赵玉洁,黄志刚,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111239811 A, 授权公告日 2022-07-14.
发明人高志强,钱学锋,孙丽萍. "Method for the Synthesis of (2E)-2-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)amino]methylidene]-4,4-dimethyl-3-oxopentanenitrile" [P]. 中国发明专利, 专利号 CN 113863335 A, 授权公告日 2023-04-07.
发明人何建平,罗永刚,胡光. "A Process for Preparing High-Purity (2E)-2-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)amino]methylidene]-4,4-dimethyl-3-oxopentanenitrile" [P]. 中国发明专利, 专利号 CN 112724993 A, 授权公告日 2021-10-26.
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