Hughes D C, Williams B T, Thompson G K. "Method for the Synthesis of 4-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazol-3-amine" [P]. US Patent, US 9437975 B2, 2025-05-26.
发明人马晓峰,韩伟,郑宇鹏. "A Process for Preparing High-Purity 4-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazol-3-amine" [P]. 中国发明专利, 专利号 CN 116939941 B, 授权公告日 2022-04-27.
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". Chemosphere, 2015, 1250, (10), 6693-6714.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 569, (6), 6620-6649.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazol-3-amine Using HRMS and NMR". Food Chem., 2022, 1534, (12), 4614-4625.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 141, 6117-6146.