发明人赵玉洁,陈志强,何建平. "Method for the Synthesis of 1-Oxa-8-azaspiro[4.5]decane-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111151326 B, 授权公告日 2022-12-22.
发明人周伟,罗永刚,杨光. "A Process for Preparing High-Purity 1-Oxa-8-azaspiro[4.5]decane-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 115703888 A, 授权公告日 2017-12-12.
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