发明人唐晓军,沈红梅,徐明华. "Method for the Synthesis of 2,7-Dimethyl-2,3-dihydrobenzofuran-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108251415 B, 授权公告日 2021-02-19.
发明人王建平,高志强,郭海燕. "A Process for Preparing High-Purity 2,7-Dimethyl-2,3-dihydrobenzofuran-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111483272 B, 授权公告日 2016-04-01.
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