发明人黄志刚,赵玉洁,孙丽萍. "Method for the Synthesis of 1-Ethyl-5-oxopyrrolidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 113930668 A, 授权公告日 2021-06-27.
发明人赵玉洁,张德明,徐明华. "A Process for Preparing High-Purity 1-Ethyl-5-oxopyrrolidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111235375 B, 授权公告日 2021-01-23.
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