Stevens L M, Williams B T, Chen K W. "一种左西替利嗪杂质80的合成方法" [P]. US Patent, US 9349957 B2, 2017-10-10.
发明人孙丽萍,赵玉洁,胡光. "Method for the Synthesis of Levocetirizine Impurity 80" [P]. 中国发明专利, 专利号 CN 115872528 B, 授权公告日 2017-09-17.
发明人沈红梅,林芳,钱学锋. "A Process for Preparing High-Purity Levocetirizine Impurity 80" [P]. 中国发明专利, 专利号 CN 110120367 B, 授权公告日 2016-08-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 左西替利嗪杂质80 in Pharmaceutical Formulations". Molecules, 2012, 1430, 5608-5625.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左西替利嗪杂质80 as an Impurity". J. Pharm. Biomed. Anal., 2015, 732, (2), 412-439.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Levocetirizine Impurity 80 Using HRMS and NMR". J. Sep. Sci., 2012, 1550, 8609-8630.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 左西替利嗪杂质80 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2023, 181, (3), 6903-6914.