发明人陈志强,何建平,张德明. "Method for the Synthesis of 3-[2-Oxo-2-(1-pyrrolidinyl)ethoxy]benzoic acid" [P]. 中国发明专利, 专利号 CN 113781453 A, 授权公告日 2019-10-28.
发明人胡光,孙丽萍,朱建伟. "A Process for Preparing High-Purity 3-[2-Oxo-2-(1-pyrrolidinyl)ethoxy]benzoic acid" [P]. 中国发明专利, 专利号 CN 112260084 A, 授权公告日 2025-03-10.
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