Hughes D C, Lee S K, Yamamoto T. "Method for the Synthesis of 4-amino-3-(2,2-difluoroethoxy)benzamide" [P]. US Patent, US 10147666 B2, 2019-05-08.
Lefèvre J P, Martínez F, Nielsen H. "A Process for Preparing High-Purity 4-amino-3-(2,2-difluoroethoxy)benzamide" [P]. European Patent, EP 3127490 A1, 2024-01-05.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 4-amino-3-(2,2-difluoroethoxy)benzamide in Pharmaceutical Formulations". Food Chem., 2024, 2384, (6), 9166-9190.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-amino-3-(2,2-difluoroethoxy)benzamide as an Impurity". J. Chromatogr. A, 2018, 1802, (2), 1050-1069.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-amino-3-(2,2-difluoroethoxy)benzamide Using HRMS and NMR". Anal. Chim. Acta, 2012, 1732, (10), 3171-3186.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 4-amino-3-(2,2-difluoroethoxy)benzamide Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 1464, (7), 3946-3973.