发明人朱建伟,高志强,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116386871 A, 授权公告日 2024-02-06.
发明人郑宇鹏,冯建国,王建平. "Method for the Synthesis of 2'-Methyl-6'-(trifluoromethyl)-3',4'-dihydro-2'H-spiro[piperidine-4,1'-pyrrolo[1,2-a]pyrazine] hydrochloride" [P]. 中国发明专利, 专利号 CN 108556555 B, 授权公告日 2025-11-07.
发明人陈志强,郭海燕,罗永刚. "A Process for Preparing High-Purity 2'-Methyl-6'-(trifluoromethyl)-3',4'-dihydro-2'H-spiro[piperidine-4,1'-pyrrolo[1,2-a]pyrazine] hydrochloride" [P]. 中国发明专利, 专利号 CN 115485804 B, 授权公告日 2022-05-19.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 1173, (6), 4314-4344.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 522, 328-350.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2'-Methyl-6'-(trifluoromethyl)-3',4'-dihydro-2'H-spiro[piperidine-4,1'-pyrrolo[1,2-a]pyrazine] hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 1342, (2), 544-556.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 1670, (7), 1086-1105.