发明人杨光,周伟,陈志强. "Method for the Synthesis of 5-Oxaspiro[3.5]Nonane-8-carbonitrile" [P]. 中国发明专利, 专利号 CN 114558939 B, 授权公告日 2021-02-15.
发明人孙丽萍,胡光,黄志刚. "A Process for Preparing High-Purity 5-Oxaspiro[3.5]Nonane-8-carbonitrile" [P]. 中国发明专利, 专利号 CN 109929712 B, 授权公告日 2022-07-16.
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