发明人赵玉洁,唐晓军,陈志强. "Method for the Synthesis of 5-amino-1-(2,4-difluorophenyl)-1H-pyrazol-3-ol" [P]. 中国发明专利, 专利号 CN 114000800 B, 授权公告日 2022-09-05.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 5-amino-1-(2,4-difluorophenyl)-1H-pyrazol-3-ol in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1865, 5220-5240.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-amino-1-(2,4-difluorophenyl)-1H-pyrazol-3-ol as an Impurity". J. Chromatogr. A, 2010, 876, 1449-1469.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-amino-1-(2,4-difluorophenyl)-1H-pyrazol-3-ol Using HRMS and NMR". J. Sep. Sci., 2024, 1029, (8), 6599-6608.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 5-amino-1-(2,4-difluorophenyl)-1H-pyrazol-3-ol Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 514, (9), 9715-9730.