发明人沈红梅,孙丽萍,何建平. "Method for the Synthesis of 1,1,2,2-Tetrafluoro-6-azaspiro[2.5]Octane hydrochloride" [P]. 中国发明专利, 专利号 CN 110699506 B, 授权公告日 2023-07-20.
发明人胡光,张德明,刘建华. "A Process for Preparing High-Purity 1,1,2,2-Tetrafluoro-6-azaspiro[2.5]Octane hydrochloride" [P]. 中国发明专利, 专利号 CN 112344190 A, 授权公告日 2016-08-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 2191, 2215-2220.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 140, 9109-9129.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1,1,2,2-Tetrafluoro-6-azaspiro[2.5]Octane hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 403, 6992-7009.