Sørensen M, Nowak P, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3736976 A1, 2020-10-10.
发明人胡光,徐明华,高志强. "Method for the Synthesis of 4-Chloro-7,8-dimethoxy-5H-pyrimido[5,4-b]indole" [P]. 中国发明专利, 专利号 CN 108259943 B, 授权公告日 2020-01-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 2106, (11), 3371-3387.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 1237, 8204-8218.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-7,8-dimethoxy-5H-pyrimido[5,4-b]indole Using HRMS and NMR". J. Sep. Sci., 2010, 1475, (1), 9517-9545.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2022, 768, (10), 7973-7996.