发明人张德明,高志强,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115359737 A, 授权公告日 2021-10-17.
发明人韩伟,胡光,周伟. "Method for the Synthesis of 7,7-Difluoro-5-oxa-2-azaspiro[3.4]octane" [P]. 中国发明专利, 专利号 CN 111160705 A, 授权公告日 2021-08-04.
发明人周伟,唐晓军,沈红梅. "A Process for Preparing High-Purity 7,7-Difluoro-5-oxa-2-azaspiro[3.4]octane" [P]. 中国发明专利, 专利号 CN 111740047 A, 授权公告日 2022-04-09.
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