发明人徐明华,黄志刚,陈志强. "Method for the Synthesis of 1-[4-(2-Ethoxy-2-oxoethyl)phenyl]-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111396816 A, 授权公告日 2020-01-06.
发明人赵玉洁,马晓峰,李文辉. "A Process for Preparing High-Purity 1-[4-(2-Ethoxy-2-oxoethyl)phenyl]-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112212452 B, 授权公告日 2025-03-13.
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