Thompson G K, Williams B T, Hughes D C. "一种的合成方法" [P]. US Patent, US 10206943 B2, 2023-01-08.
发明人徐明华,孙丽萍,郑宇鹏. "Method for the Synthesis of tert-butyl (2R,4R)-2-((2-aminophenyl)carbamoyl)-4-(3-(4-cyanophenyl)ureido)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109440910 A, 授权公告日 2018-05-25.
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". Molecules, 2024, 2232, (7), 7121-7127.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2386, (3), 5391-5395.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of tert-butyl (2R,4R)-2-((2-aminophenyl)carbamoyl)-4-(3-(4-cyanophenyl)ureido)piperidine-1-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 292, (8), 1506-1517.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 1096, (8), 1166-1196.