发明人孙丽萍,唐晓军,杨光. "Method for the Synthesis of 3-(4-(4-Chlorophenyl)-2,5-dioxoimidazolidin-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116004017 B, 授权公告日 2018-05-09.
发明人孙丽萍,马晓峰,赵玉洁. "A Process for Preparing High-Purity 3-(4-(4-Chlorophenyl)-2,5-dioxoimidazolidin-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 110107184 A, 授权公告日 2021-12-09.
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