发明人周伟,冯建国,马晓峰. "Method for the Synthesis of 2-(1-(2-(Isopropylamino)-2-oxoethyl)piperidin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 112087180 B, 授权公告日 2021-04-26.
发明人黄志刚,孙丽萍,李文辉. "A Process for Preparing High-Purity 2-(1-(2-(Isopropylamino)-2-oxoethyl)piperidin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109119932 A, 授权公告日 2019-04-02.
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