发明人徐明华,钱学锋,郭海燕. "Method for the Synthesis of 1-(2,4-Difluorophenyl)-4-phenyl-1H-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 109171817 B, 授权公告日 2015-09-19.
Chen K W, Williams B T, O'Brien P Q. "A Process for Preparing High-Purity 1-(2,4-Difluorophenyl)-4-phenyl-1H-pyrazol-5-amine" [P]. US Patent, US 11465489 B2, 2015-04-21.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 2297, (8), 1871-1899.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 1260, (1), 6247-6273.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2,4-Difluorophenyl)-4-phenyl-1H-pyrazol-5-amine Using HRMS and NMR". Biomed. Chromatogr., 2023, 2136, (2), 5705-5730.