发明人李文辉,胡光,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115388126 A, 授权公告日 2025-09-07.
发明人唐晓军,杨光,赵玉洁. "Method for the Synthesis of 1-Ethyl-3-methyl-1H-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 112994636 B, 授权公告日 2020-12-01.
发明人唐晓军,何建平,朱建伟. "A Process for Preparing High-Purity 1-Ethyl-3-methyl-1H-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 108989723 A, 授权公告日 2022-04-10.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1502, (8), 7525-7528.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 503, 2763-2789.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-3-methyl-1H-pyrazol-5-amine Using HRMS and NMR". Sci. Total Environ., 2019, 1941, 1930-1954.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 1343, (3), 8968-8973.