发明人徐明华,钱学锋,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112777651 A, 授权公告日 2018-12-27.
发明人冯建国,李文辉,刘建华. "Method for the Synthesis of 2-(3-Fluoro-5-(trifluoromethyl)pyridin-2-yl)-2,6-diazaspiro[3.3]Heptane hydrochloride" [P]. 中国发明专利, 专利号 CN 110429885 A, 授权公告日 2018-03-13.
发明人徐明华,胡光,林芳. "A Process for Preparing High-Purity 2-(3-Fluoro-5-(trifluoromethyl)pyridin-2-yl)-2,6-diazaspiro[3.3]Heptane hydrochloride" [P]. 中国发明专利, 专利号 CN 113840295 B, 授权公告日 2018-02-05.
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