发明人王建平,钱学锋,何建平. "Method for the Synthesis of 3-Methyl-1-(p-tolyl)cyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117972070 B, 授权公告日 2018-05-21.
发明人徐明华,朱建伟,孙丽萍. "A Process for Preparing High-Purity 3-Methyl-1-(p-tolyl)cyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116547625 B, 授权公告日 2018-02-27.
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