发明人李文辉,王建平,何建平. "Method for the Synthesis of 5-Methoxypyrido[3,4-d]pyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 108025721 B, 授权公告日 2019-03-12.
Park J H, Schröder R, Kumar R. "A Process for Preparing High-Purity 5-Methoxypyrido[3,4-d]pyrimidin-4(1H)-one" [P]. US Patent, US 10600923 B2, 2016-01-28.
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". J. Agric. Food Chem., 2021, 980, (6), 6419-6436.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 898, 7726-7755.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methoxypyrido[3,4-d]pyrimidin-4(1H)-one Using HRMS and NMR". Anal. Chim. Acta, 2015, 1839, 4029-4048.