发明人刘建华,周伟,朱建伟. "Method for the Synthesis of 3H-spiro[2-benzofuran-1,1'-cyclohexan]-4'-one" [P]. 中国发明专利, 专利号 CN 117896984 B, 授权公告日 2021-06-04.
发明人赵玉洁,罗永刚,李文辉. "A Process for Preparing High-Purity 3H-spiro[2-benzofuran-1,1'-cyclohexan]-4'-one" [P]. 中国发明专利, 专利号 CN 117309246 B, 授权公告日 2024-03-12.
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