O'Brien P Q, Thompson G K, Roberts E F. "Method for the Synthesis of 2-(4-Benzylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. US Patent, US 9413974 B2, 2017-05-09.
发明人沈红梅,黄志刚,孙丽萍. "A Process for Preparing High-Purity 2-(4-Benzylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115995493 B, 授权公告日 2017-09-16.
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". J. Chromatogr. A, 2018, 125, 3822-3835.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 2086, (10), 6828-6848.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Benzylpiperidin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde Using HRMS and NMR". Environ. Sci. Technol., 2021, 1915, (9), 4386-4390.