发明人周伟,林芳,胡光. "Method for the Synthesis of 2-(5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl)cyclopropane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108988044 B, 授权公告日 2019-05-09.
Mueller T C, Kowalski A, Nowak P. "A Process for Preparing High-Purity 2-(5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl)cyclopropane-1-carboxylic acid" [P]. European Patent, EP 3089827 A1, 2020-03-28.
参考文献 Literature
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