发明人郑宇鹏,朱建伟,杨光. "Method for the Synthesis of (2R)-7-hydroxy-3'-methylspiro[chromane-2,1'-cyclohexan]-4-one" [P]. 中国发明专利, 专利号 CN 114514736 A, 授权公告日 2016-08-01.
发明人张德明,罗永刚,孙丽萍. "A Process for Preparing High-Purity (2R)-7-hydroxy-3'-methylspiro[chromane-2,1'-cyclohexan]-4-one" [P]. 中国发明专利, 专利号 CN 117332702 A, 授权公告日 2017-12-15.
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