Roberts E F, Kumar R, Davis P L. "一种6-氨基-2-(4-氯-2-氟-3-甲氧基苯基)-5-(甲基氨基)嘧啶-4-羧酸的合成方法" [P]. US Patent, US 9619684 B2, 2015-03-28.
发明人韩伟,张德明,赵玉洁. "Method for the Synthesis of 6-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-(methylamino)pyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113535259 B, 授权公告日 2018-10-07.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 6-氨基-2-(4-氯-2-氟-3-甲氧基苯基)-5-(甲基氨基)嘧啶-4-羧酸 in Pharmaceutical Formulations". J. Nat. Prod., 2011, 1745, (10), 9757-9761.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-氨基-2-(4-氯-2-氟-3-甲氧基苯基)-5-(甲基氨基)嘧啶-4-羧酸 as an Impurity". Biomed. Chromatogr., 2020, 1144, (1), 9887-9905.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-2-(4-chloro-2-fluoro-3-methoxyphenyl)-5-(methylamino)pyrimidine-4-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2023, 935, 7933-7942.