发明人周伟,罗永刚,孙丽萍. "Method for the Synthesis of 2-Oxaspiro[3.5]Nonane-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111056527 B, 授权公告日 2018-05-04.
发明人冯建国,黄志刚,赵玉洁. "A Process for Preparing High-Purity 2-Oxaspiro[3.5]Nonane-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 111079684 A, 授权公告日 2019-11-15.
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