发明人张德明,冯建国,高志强. "Method for the Synthesis of 3-[4-(dimethylamino)phenyl]imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 115337474 A, 授权公告日 2016-04-14.
Brown S R, Hughes D C, Stevens L M. "A Process for Preparing High-Purity 3-[4-(dimethylamino)phenyl]imidazolidine-2,4-dione" [P]. US Patent, US 9731249 B2, 2021-11-23.
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