发明人林芳,胡光,杨光. "Method for the Synthesis of Ethyl 3-acetamido-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110386387 A, 授权公告日 2023-03-13.
发明人林芳,沈红梅,郑宇鹏. "A Process for Preparing High-Purity Ethyl 3-acetamido-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 116607979 B, 授权公告日 2023-03-27.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2014, 1501, (6), 8939-8945.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 2174, 9948-9967.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-acetamido-1H-pyrazole-4-carboxylate Using HRMS and NMR". Food Chem., 2011, 1490, (2), 1945-1949.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 819, 2391-2395.