Williams B T, Hughes D C, Kumar R. "Method for the Synthesis of Methyl 3-(2-(2-oxo-2-((2-(trifluoromethyl)phenyl)amino)acetyl)-1H-pyrrol-1-yl)thiophene-2-carboxylate" [P]. US Patent, US 10662937 B2, 2020-02-14.
Yamamoto T, Schröder R, Brown S R. "A Process for Preparing High-Purity Methyl 3-(2-(2-oxo-2-((2-(trifluoromethyl)phenyl)amino)acetyl)-1H-pyrrol-1-yl)thiophene-2-carboxylate" [P]. US Patent, US 11647248 B2, 2019-01-26.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2010, 2187, (12), 8256-8267.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 129, (8), 9061-9091.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-(2-(2-oxo-2-((2-(trifluoromethyl)phenyl)amino)acetyl)-1H-pyrrol-1-yl)thiophene-2-carboxylate Using HRMS and NMR". Food Chem., 2023, 1909, (5), 2116-2128.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 2246, 2665-2686.