发明人冯建国,刘建华,钱学锋. "Method for the Synthesis of 4-(7,7-Dichloro-6-oxo-5-azaspiro[2.5]Octan-5-yl)-3-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 108385154 B, 授权公告日 2025-08-06.
发明人孙丽萍,高志强,沈红梅. "A Process for Preparing High-Purity 4-(7,7-Dichloro-6-oxo-5-azaspiro[2.5]Octan-5-yl)-3-fluorobenzonitrile" [P]. 中国发明专利, 专利号 CN 108793938 A, 授权公告日 2016-10-08.
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