Patel M V, Brown S R, Kumar R. "一种的合成方法" [P]. US Patent, US 11531637 B2, 2015-05-10.
Johnson M A, Stevens L M, Klinger H. "Method for the Synthesis of N-((1-Ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)methyl)-1-isopropyl-1H-pyrazol-5-amine hydrochloride" [P]. US Patent, US 10226689 B2, 2018-06-07.
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". J. Sep. Sci., 2016, 2218, (9), 9988-10003.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 642, (3), 3036-3055.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N-((1-Ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)methyl)-1-isopropyl-1H-pyrazol-5-amine hydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2022, 195, (2), 962-980.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 2213, (11), 3209-3223.