发明人郭海燕,孙丽萍,韩伟. "Method for the Synthesis of 2-Ethyl-7-oxabicyclo[2.2.1]heptane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114056980 B, 授权公告日 2016-04-20.
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