Fischer A B, Davis P L, Schröder R. "Method for the Synthesis of 3-(4-Bromo-2-fluorophenyl)-4-methyl-1h-pyrazol-5-amine" [P]. US Patent, US 9214614 B2, 2015-07-20.
发明人刘建华,何建平,罗永刚. "A Process for Preparing High-Purity 3-(4-Bromo-2-fluorophenyl)-4-methyl-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 117172541 B, 授权公告日 2022-03-06.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1749, (10), 2309-2325.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 2444, (6), 8692-8712.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Bromo-2-fluorophenyl)-4-methyl-1h-pyrazol-5-amine Using HRMS and NMR". Sci. Total Environ., 2010, 2090, 4702-4724.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2019, 1545, (1), 4969-4983.