发明人刘建华,杨光,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111380823 A, 授权公告日 2025-05-12.
Johansson L, Nowak P, Jørgensen K. "Method for the Synthesis of Ethyl 3-amino-1H-pyrazole-5-carboxylate hydrochloride" [P]. European Patent, EP 3916942 A1, 2021-02-06.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 718, (10), 4342-4369.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1895, 563-576.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-amino-1H-pyrazole-5-carboxylate hydrochloride Using HRMS and NMR". Chromatographia, 2012, 1759, (1), 1949-1977.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2015, 2394, 1055-1065.