Martínez F, Nielsen H, Rossi M. "Method for the Synthesis of Tiopronin Impurity 4" [P]. European Patent, EP 3269368 A1, 2024-10-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 硫普罗宁杂质4 in Pharmaceutical Formulations". Chemosphere, 2010, 2028, 8796-8811.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 硫普罗宁杂质4 as an Impurity". J. Nat. Prod., 2013, 1168, 6665-6684.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Tiopronin Impurity 4 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 1854, (9), 9874-9886.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 硫普罗宁杂质4 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2016, 1043, (2), 5370-5373.