发明人赵玉洁,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116282500 A, 授权公告日 2023-06-05.
发明人韩伟,陈志强,孙丽萍. "Method for the Synthesis of 4-((5-Chloro-4-(methylamino)pyrimidin-2-yl)amino)-3-cyclobutoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 111528049 B, 授权公告日 2025-01-02.
发明人朱建伟,孙丽萍,高志强. "A Process for Preparing High-Purity 4-((5-Chloro-4-(methylamino)pyrimidin-2-yl)amino)-3-cyclobutoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 109945559 A, 授权公告日 2020-11-03.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 2051, (9), 4967-4983.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2024, 855, (6), 3784-3808.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-((5-Chloro-4-(methylamino)pyrimidin-2-yl)amino)-3-cyclobutoxybenzoic acid Using HRMS and NMR". J. Sep. Sci., 2024, 2072, 7325-7333.