发明人何建平,赵玉洁,唐晓军. "Method for the Synthesis of 2-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)-2-methylpropanenitrile" [P]. 中国发明专利, 专利号 CN 111705408 B, 授权公告日 2019-05-05.
发明人杨光,张德明,孙丽萍. "A Process for Preparing High-Purity 2-(2,5-Dioxo-2,5-dihydro-1h-pyrrol-1-yl)-2-methylpropanenitrile" [P]. 中国发明专利, 专利号 CN 117678250 A, 授权公告日 2022-03-26.
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