发明人林芳,赵玉洁,李文辉. "Method for the Synthesis of Ethyl 7-oxo-2,5-dioxaspiro[3.4]octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 113740524 B, 授权公告日 2015-06-17.
发明人孙丽萍,唐晓军,钱学锋. "A Process for Preparing High-Purity Ethyl 7-oxo-2,5-dioxaspiro[3.4]octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115177744 B, 授权公告日 2023-08-13.
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