Kumar R, Schröder R, Davis P L. "一种的合成方法" [P]. US Patent, US 11521704 B2, 2019-06-07.
发明人孙丽萍,罗永刚,马晓峰. "Method for the Synthesis of Carvedilol Impurity 23" [P]. 中国发明专利, 专利号 CN 116861900 A, 授权公告日 2015-05-16.
发明人孙丽萍,郑宇鹏,陈志强. "A Process for Preparing High-Purity Carvedilol Impurity 23" [P]. 中国发明专利, 专利号 CN 114500410 B, 授权公告日 2019-10-24.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 654, (11), 9092-9118.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 2224, 3200-3205.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Carvedilol Impurity 23 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1229, (12), 1405-1409.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 250, 8567-8592.