发明人唐晓军,郑宇鹏,张德明. "Method for the Synthesis of 2-Methylpyrido[4,3-d]pyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 113828557 A, 授权公告日 2015-11-24.
Fischer A B, Brown S R, Hughes D C. "A Process for Preparing High-Purity 2-Methylpyrido[4,3-d]pyrimidin-4(1H)-one" [P]. US Patent, US 9607072 B2, 2025-11-11.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1486, 6352-6381.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 2192, (9), 9056-9072.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methylpyrido[4,3-d]pyrimidin-4(1H)-one Using HRMS and NMR". Molecules, 2019, 2119, 6748-6751.