Schröder R, Rossi M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3670535 A1, 2020-12-22.
Lee S K, Brown S R, Williams B T. "Method for the Synthesis of 4-(4-Fluorophenyl)-1H-pyrazol-5-amine" [P]. US Patent, US 11500135 B2, 2022-05-28.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1639, (2), 1233-1240.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2013, 833, 9007-9012.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Fluorophenyl)-1H-pyrazol-5-amine Using HRMS and NMR". J. Agric. Food Chem., 2018, 1859, 1816-1819.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 2170, 7844-7862.