发明人郭海燕,韩伟,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109901851 A, 授权公告日 2021-05-20.
发明人唐晓军,沈红梅,朱建伟. "Method for the Synthesis of 5-(Ethylsulfonyl)-4-(4-nitrophenyl)pyrimidin-2-amine" [P]. 中国发明专利, 专利号 CN 111302428 A, 授权公告日 2024-12-21.
Brown S R, Kumar R, Lee S K. "A Process for Preparing High-Purity 5-(Ethylsulfonyl)-4-(4-nitrophenyl)pyrimidin-2-amine" [P]. US Patent, US 10609809 B2, 2024-12-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 2343, (3), 8546-8551.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2025, 1393, (8), 4236-4241.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Ethylsulfonyl)-4-(4-nitrophenyl)pyrimidin-2-amine Using HRMS and NMR". Molecules, 2022, 1286, (8), 5154-5159.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 1084, 4054-4070.