Jørgensen K, Nowak P, Nielsen H. "Method for the Synthesis of 4-Ethoxy-1-(4-fluorophenyl)-N-(thiophen-2-ylmethyl)-1H-pyrazole-3-carboxamide" [P]. European Patent, EP 3599338 A1, 2023-01-04.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 2076, 5537-5559.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 1486, 6538-6555.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxy-1-(4-fluorophenyl)-N-(thiophen-2-ylmethyl)-1H-pyrazole-3-carboxamide Using HRMS and NMR". Anal. Methods, 2021, 467, 8663-8687.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 2182, (10), 5540-5566.