Mueller T, Johnson M A, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11760200 B2, 2020-12-20.
Patel M V, Roberts E F, Stevens L M. "Method for the Synthesis of 1-Benzyl-7-phenyl-1H-pyrimido[4,5-d][1,3]oxazine-2,4-dione" [P]. US Patent, US 9684997 B2, 2020-01-19.
发明人马晓峰,李文辉,冯建国. "A Process for Preparing High-Purity 1-Benzyl-7-phenyl-1H-pyrimido[4,5-d][1,3]oxazine-2,4-dione" [P]. 中国发明专利, 专利号 CN 112056573 A, 授权公告日 2015-05-14.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 1221, 5756-5770.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 705, 9721-9739.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-Benzyl-7-phenyl-1H-pyrimido[4,5-d][1,3]oxazine-2,4-dione Using HRMS and NMR". J. Agric. Food Chem., 2025, 448, (12), 7915-7923.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 601, 9366-9381.