发明人赵玉洁,李文辉,徐明华. "Method for the Synthesis of 3-Methyl-5-oxoimidazolidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 117416069 A, 授权公告日 2021-10-24.
发明人孙丽萍,马晓峰,钱学锋. "A Process for Preparing High-Purity 3-Methyl-5-oxoimidazolidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 112654477 B, 授权公告日 2020-01-28.
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