发明人林芳,杨光,孙丽萍. "Method for the Synthesis of 2-(1-Acetylpyrrolidin-2-ylidene)propanedinitrile" [P]. 中国发明专利, 专利号 CN 114684750 A, 授权公告日 2023-01-24.
发明人刘建华,韩伟,张德明. "A Process for Preparing High-Purity 2-(1-Acetylpyrrolidin-2-ylidene)propanedinitrile" [P]. 中国发明专利, 专利号 CN 113421774 A, 授权公告日 2024-07-20.
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