Mueller T, Chen K W, Williams B T. "一种的合成方法" [P]. US Patent, US 11714802 B2, 2019-01-25.
发明人赵玉洁,郑宇鹏,冯建国. "Method for the Synthesis of Pentyl 4-(4-hydroxy-3-nitrophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117480359 A, 授权公告日 2022-08-03.
发明人徐明华,黄志刚,沈红梅. "A Process for Preparing High-Purity Pentyl 4-(4-hydroxy-3-nitrophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111716193 B, 授权公告日 2021-12-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 1630, (10), 6426-6448.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1546, 533-544.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Pentyl 4-(4-hydroxy-3-nitrophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate Using HRMS and NMR". Phytochemistry, 2011, 1642, (8), 7900-7918.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 2221, (3), 2651-2671.