发明人杨光,林芳,马晓峰. "Method for the Synthesis of Ethyl 5-methyl-1-oxaspiro[2.4]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112776219 A, 授权公告日 2016-11-09.
发明人冯建国,徐明华,唐晓军. "A Process for Preparing High-Purity Ethyl 5-methyl-1-oxaspiro[2.4]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114267424 B, 授权公告日 2023-04-03.
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