发明人胡光,徐明华,刘建华. "Method for the Synthesis of N-(9-deoxy-epi-cinchonidin-9-yl)picolinamide" [P]. 中国发明专利, 专利号 CN 108721404 B, 授权公告日 2024-03-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 2190, 5232-5250.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 729, (3), 3509-3522.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of N-(9-deoxy-epi-cinchonidin-9-yl)picolinamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 135, (11), 7636-7656.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2020, 1051, (12), 2196-2220.