Kowalski A, Björnsson E, Rossi M. "一种的合成方法" [P]. European Patent, EP 3899991 A1, 2022-03-17.
Roberts E F, Schröder R, Anderson J P. "Method for the Synthesis of Carbidopa Impurity 6" [P]. US Patent, US 9641961 B2, 2015-11-13.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 1685, (8), 1292-1312.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2012, 2420, (5), 2008-2028.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Carbidopa Impurity 6 Using HRMS and NMR". J. Sep. Sci., 2020, 1952, (3), 3057-3074.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 887, (3), 7840-7861.