发明人陈志强,孙丽萍,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110820227 A, 授权公告日 2024-08-14.
发明人杨光,郭海燕,朱建伟. "Method for the Synthesis of 4-Ethyl-1-phenyl-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 116100017 B, 授权公告日 2021-01-12.
发明人李文辉,陈志强,何建平. "A Process for Preparing High-Purity 4-Ethyl-1-phenyl-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 111961038 A, 授权公告日 2018-08-24.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 2064, 7592-7618.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2023, 794, (10), 6170-6200.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-1-phenyl-1h-pyrazol-5-amine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 1456, (5), 2490-2502.