发明人周伟,沈红梅,韩伟. "Method for the Synthesis of Spiro[5.5]undecane-2,4-dione" [P]. 中国发明专利, 专利号 CN 108159452 B, 授权公告日 2023-04-01.
发明人李文辉,郑宇鹏,高志强. "A Process for Preparing High-Purity Spiro[5.5]undecane-2,4-dione" [P]. 中国发明专利, 专利号 CN 112348047 B, 授权公告日 2015-11-05.
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