发明人朱建伟,李文辉,张德明. "Method for the Synthesis of 4-Amino-1-ethyl-3-methylpyrazole" [P]. 中国发明专利, 专利号 CN 110610859 B, 授权公告日 2019-12-22.
发明人胡光,韩伟,郑宇鹏. "A Process for Preparing High-Purity 4-Amino-1-ethyl-3-methylpyrazole" [P]. 中国发明专利, 专利号 CN 115832987 A, 授权公告日 2017-06-23.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1-乙基-3-甲基-4-氨基吡唑 in Pharmaceutical Formulations". J. Nat. Prod., 2014, 1432, (5), 1858-1877.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-乙基-3-甲基-4-氨基吡唑 as an Impurity". Anal. Chem., 2016, 1564, (8), 2219-2237.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-1-ethyl-3-methylpyrazole Using HRMS and NMR". Molecules, 2023, 345, (9), 7497-7522.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 1-乙基-3-甲基-4-氨基吡唑 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2012, 232, 3783-3793.