Johnson M A, Davis P L, Schröder R. "Method for the Synthesis of 1-(4-Aminophenyl)-3-(trifluoromethyl)-1H-pyrazol-5(4H)-one" [P]. US Patent, US 11732069 B2, 2023-03-01.
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". Talanta, 2024, 796, (1), 4476-4499.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2021, 750, 9909-9923.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Aminophenyl)-3-(trifluoromethyl)-1H-pyrazol-5(4H)-one Using HRMS and NMR". Phytochemistry, 2015, 1377, (4), 2132-2162.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 1597, 1174-1183.