发明人郑宇鹏,黄志刚,孙丽萍. "Method for the Synthesis of [[2-(Cyclohexylamino)-2-oxoethyl]-(4-methoxyphenyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 112890736 A, 授权公告日 2021-08-14.
发明人高志强,唐晓军,李文辉. "A Process for Preparing High-Purity [[2-(Cyclohexylamino)-2-oxoethyl]-(4-methoxyphenyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 108187649 A, 授权公告日 2016-03-16.
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