发明人孙丽萍,胡光,杨光. "一种左甲状腺素杂质N1的合成方法" [P]. 中国发明专利, 专利号 CN 114535387 A, 授权公告日 2020-07-18.
发明人陈志强,李文辉,高志强. "Method for the Synthesis of Liothyronine Impurity N1" [P]. 中国发明专利, 专利号 CN 108053960 A, 授权公告日 2019-04-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 左甲状腺素杂质N1 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 1506, 1430-1438.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左甲状腺素杂质N1 as an Impurity". J. Sep. Sci., 2014, 1345, 2346-2361.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Liothyronine Impurity N1 Using HRMS and NMR". J. Chromatogr. A, 2014, 683, 4951-4974.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 左甲状腺素杂质N1 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2023, 198, (12), 3583-3604.