发明人刘建华,郑宇鹏,高志强. "Method for the Synthesis of 3-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 117175219 A, 授权公告日 2015-03-04.
发明人赵玉洁,杨光,孙丽萍. "A Process for Preparing High-Purity 3-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 111911898 A, 授权公告日 2022-03-16.
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