发明人杨光,钱学锋,黄志刚. "Method for the Synthesis of (1R,2R)-rel-2-(3-Ethoxy-4-fluorophenyl)cyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117712086 B, 授权公告日 2020-03-04.
发明人孙丽萍,胡光,沈红梅. "A Process for Preparing High-Purity (1R,2R)-rel-2-(3-Ethoxy-4-fluorophenyl)cyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116495484 B, 授权公告日 2020-05-18.
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