Kumar R, Schröder R, Park J H. "一种的合成方法" [P]. US Patent, US 10345341 B2, 2024-07-13.
发明人徐明华,马晓峰,杨光. "Method for the Synthesis of 5-(4-fluoro-2-methyl-phenyl)-1-oxa-3,9-diazaspiro[5.5]undecan-2-one" [P]. 中国发明专利, 专利号 CN 116793945 A, 授权公告日 2022-02-22.
发明人林芳,胡光,何建平. "A Process for Preparing High-Purity 5-(4-fluoro-2-methyl-phenyl)-1-oxa-3,9-diazaspiro[5.5]undecan-2-one" [P]. 中国发明专利, 专利号 CN 110744629 B, 授权公告日 2024-08-10.
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