发明人郑宇鹏,冯建国,唐晓军. "Method for the Synthesis of (R)-2-(3-METHYLUREIDO)-2-PHENYLACETIC ACID" [P]. 中国发明专利, 专利号 CN 109815506 B, 授权公告日 2018-04-22.
发明人韩伟,唐晓军,钱学锋. "A Process for Preparing High-Purity (R)-2-(3-METHYLUREIDO)-2-PHENYLACETIC ACID" [P]. 中国发明专利, 专利号 CN 111615548 A, 授权公告日 2018-02-04.
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