发明人徐明华,高志强,沈红梅. "Method for the Synthesis of 5-Benzyl-2-oxa-5-aza-bicyclo[2.2.2]octane-4-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 117195858 B, 授权公告日 2017-02-13.
发明人胡光,唐晓军,赵玉洁. "A Process for Preparing High-Purity 5-Benzyl-2-oxa-5-aza-bicyclo[2.2.2]octane-4-carboxylic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 114570720 A, 授权公告日 2023-10-11.
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