Jørgensen K, Rossi M, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3224322 A1, 2021-07-21.
发明人黄志刚,杨光,张德明. "Method for the Synthesis of 3-Ethyl-1-methyl-5-propoxy-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 109288666 B, 授权公告日 2016-03-14.
发明人韩伟,林芳,杨光. "A Process for Preparing High-Purity 3-Ethyl-1-methyl-5-propoxy-1h-pyrazol-4-amine" [P]. 中国发明专利, 专利号 CN 116253771 A, 授权公告日 2018-03-21.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2023, 1410, (12), 6261-6291.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 2410, (11), 9575-9597.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-1-methyl-5-propoxy-1h-pyrazol-4-amine Using HRMS and NMR". Anal. Chem., 2014, 553, (2), 1703-1715.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 751, 7275-7297.