发明人刘建华,陈志强,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115740376 A, 授权公告日 2016-07-03.
发明人朱建伟,韩伟,赵玉洁. "Method for the Synthesis of Ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114993301 B, 授权公告日 2025-11-06.
发明人郑宇鹏,刘建华,陈志强. "A Process for Preparing High-Purity Ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117798778 B, 授权公告日 2021-10-25.
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". Sci. Total Environ., 2015, 1278, 6407-6410.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 145, (6), 2863-2866.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-3-carboxylate Using HRMS and NMR". Talanta, 2025, 1614, (5), 3557-3571.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 1219, (6), 1566-1575.