发明人冯建国,钱学锋,张德明. "Method for the Synthesis of 2-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)-N-ethylacetamide" [P]. 中国发明专利, 专利号 CN 109058851 A, 授权公告日 2021-12-25.
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