发明人李文辉,朱建伟,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108912456 A, 授权公告日 2025-12-24.
发明人徐明华,沈红梅,马晓峰. "Method for the Synthesis of 5-Ethoxy-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115295537 A, 授权公告日 2017-12-26.
Lefèvre J P, Rossi M, Jørgensen K. "A Process for Preparing High-Purity 5-Ethoxy-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3123976 A1, 2021-11-23.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2018, 995, 75-105.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2342, (11), 9822-9830.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethoxy-1-methyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2015, 982, (2), 5232-5244.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 2037, 1827-1853.