Schröder R, Davis P L, Lee S K. "Method for the Synthesis of 2-(Aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-4-carboxylic acid" [P]. US Patent, US 10317659 B2, 2020-04-16.
Schröder R, Martínez F, Lefèvre J P. "A Process for Preparing High-Purity 2-(Aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-4-carboxylic acid" [P]. European Patent, EP 3275223 A1, 2022-10-13.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 2178, 5000-5019.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 559, (1), 6729-6755.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Aminomethyl)-3-bromo-5-(difluoromethyl)pyridine-4-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2017, 1446, (1), 8406-8432.