发明人李文辉,杨光,王建平. "Method for the Synthesis of N-((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)-1-isobutyl-5-methyl-1H-pyrazol-3-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 112786569 B, 授权公告日 2024-07-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 1128, (2), 8398-8403.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 1657, 5520-5546.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N-((1-Ethyl-3-methyl-1H-pyrazol-4-yl)methyl)-1-isobutyl-5-methyl-1H-pyrazol-3-amine hydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2012, 1780, (5), 997-1027.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 1749, 2335-2349.