发明人何建平,赵玉洁,黄志刚. "一种1-amino-3-ethylimidazolidin-2-one的合成方法" [P]. 中国发明专利, 专利号 CN 109490503 A, 授权公告日 2019-10-27.
发明人朱建伟,陈志强,罗永刚. "Method for the Synthesis of 1-amino-3-ethylimidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 114792870 B, 授权公告日 2016-10-14.
发明人马晓峰,刘建华,冯建国. "A Process for Preparing High-Purity 1-amino-3-ethylimidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 111788559 B, 授权公告日 2022-01-17.
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