发明人郑宇鹏,周伟,沈红梅. "一种伐地那非杂质55的合成方法" [P]. 中国发明专利, 专利号 CN 114836431 A, 授权公告日 2020-10-15.
发明人朱建伟,何建平,郭海燕. "Method for the Synthesis of Vardenafil Impurity 55" [P]. 中国发明专利, 专利号 CN 116498508 A, 授权公告日 2016-08-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 伐地那非杂质55 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 319, (7), 251-271.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 伐地那非杂质55 as an Impurity". Biomed. Chromatogr., 2020, 854, (8), 6609-6615.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Vardenafil Impurity 55 Using HRMS and NMR". J. Chromatogr. A, 2023, 1803, (10), 5385-5413.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 伐地那非杂质55 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2017, 890, (7), 1168-1175.