发明人张德明,胡光,郑宇鹏. "Method for the Synthesis of 5-Azaspiro[2.3]Hexane-1-carbonitrile" [P]. 中国发明专利, 专利号 CN 111491088 A, 授权公告日 2021-05-01.
发明人高志强,杨光,王建平. "A Process for Preparing High-Purity 5-Azaspiro[2.3]Hexane-1-carbonitrile" [P]. 中国发明专利, 专利号 CN 111874496 B, 授权公告日 2018-03-22.
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