发明人何建平,徐明华,王建平. "Method for the Synthesis of (1R,4r)-6'-bromo-4-methoxyspiro[cyclohexane-1,2'-inden]-1'(3'H)-one" [P]. 中国发明专利, 专利号 CN 108772357 B, 授权公告日 2022-03-26.
Lee S K, Anderson J P, Klinger H. "A Process for Preparing High-Purity (1R,4r)-6'-bromo-4-methoxyspiro[cyclohexane-1,2'-inden]-1'(3'H)-one" [P]. US Patent, US 9510586 B2, 2016-01-16.
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