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发明人马晓峰,郭海燕,陈志强. "Method for the Synthesis of 1-methyl-3-methylidenecyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113898951 A, 授权公告日 2023-01-14.
发明人郭海燕,张德明,刘建华. "A Process for Preparing High-Purity 1-methyl-3-methylidenecyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115430550 B, 授权公告日 2017-04-28.
参考文献 Literature
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