发明人杨光,唐晓军,冯建国. "Method for the Synthesis of Spiro[2.4]heptane-1-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 108104532 A, 授权公告日 2017-12-28.
发明人徐明华,杨光,冯建国. "A Process for Preparing High-Purity Spiro[2.4]heptane-1-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 109205909 B, 授权公告日 2019-09-21.
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