Mueller T C, Nielsen H, Lefèvre J P. "Method for the Synthesis of Carbidopa methyl ester, hydrochloride" [P]. European Patent, EP 3985842 A1, 2016-12-22.
Kowalski A, Mueller T C, Sørensen M. "A Process for Preparing High-Purity Carbidopa methyl ester, hydrochloride" [P]. European Patent, EP 3538316 A1, 2015-05-07.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 875, (12), 5261-5270.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 1670, 8079-8092.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Carbidopa methyl ester, hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2025, 2346, 4694-4704.