发明人黄志刚,张德明,周伟. "Method for the Synthesis of 1,5-Dimethylimidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 115259476 B, 授权公告日 2023-09-19.
发明人黄志刚,杨光,何建平. "A Process for Preparing High-Purity 1,5-Dimethylimidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 116605426 A, 授权公告日 2020-03-26.
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