发明人王建平,黄志刚,林芳. "Method for the Synthesis of spiro[4.4]nonane-4,9-dione" [P]. 中国发明专利, 专利号 CN 112335448 A, 授权公告日 2016-09-17.
Davis P L, Anderson J P, Lee S K. "A Process for Preparing High-Purity spiro[4.4]nonane-4,9-dione" [P]. US Patent, US 9713715 B2, 2023-07-16.
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