Lefèvre J P, Schröder R, Rossi M. "一种的合成方法" [P]. European Patent, EP 3699338 A1, 2018-11-01.
Patel M V, Mueller T, Davis P L. "Method for the Synthesis of 9-Methyl-2-(4-methylpiperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. US Patent, US 11712119 B2, 2024-06-11.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 300, (6), 4439-4464.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 208, 6524-6545.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 9-Methyl-2-(4-methylpiperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde Using HRMS and NMR". Chemosphere, 2022, 1235, 4349-4354.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1837, 5561-5583.