发明人杨光,赵玉洁,冯建国. "Method for the Synthesis of N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 113018243 A, 授权公告日 2016-04-09.
Lefèvre J P, Mueller T C, Rossi M. "A Process for Preparing High-Purity N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride" [P]. European Patent, EP 3061523 A1, 2023-09-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride in Pharmaceutical Formulations". Molecules, 2011, 2442, 2290-2307.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride as an Impurity". J. Agric. Food Chem., 2024, 374, (4), 5683-5711.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride Using HRMS and NMR". J. Chromatogr. A, 2010, 1205, 3404-3418.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate N-(2-aminoethyl)-1-methyl-1H-pyrazol-3-amine dihydrochloride Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 1733, (12), 3056-3076.