发明人唐晓军,李文辉,郑宇鹏. "Method for the Synthesis of 2-{[4-(2-oxopyrrolidin-1-yl)phenyl]formamido}acetic acid" [P]. 中国发明专利, 专利号 CN 114625052 B, 授权公告日 2017-02-18.
发明人赵玉洁,何建平,罗永刚. "A Process for Preparing High-Purity 2-{[4-(2-oxopyrrolidin-1-yl)phenyl]formamido}acetic acid" [P]. 中国发明专利, 专利号 CN 115176646 A, 授权公告日 2025-02-26.
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