发明人陈志强,胡光,黄志刚. "Method for the Synthesis of 4-Oxaspiro[2.4]Heptane-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116959052 B, 授权公告日 2024-04-03.
发明人唐晓军,马晓峰,赵玉洁. "A Process for Preparing High-Purity 4-Oxaspiro[2.4]Heptane-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115215949 A, 授权公告日 2021-04-05.
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