发明人高志强,郭海燕,钱学锋. "Method for the Synthesis of Ethyl 5-amino-1-(4-ethoxyphenyl)-1h-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117030978 B, 授权公告日 2025-02-24.
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., 2018, 220, (1), 8567-8577.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 603, (8), 9890-9902.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-1-(4-ethoxyphenyl)-1h-pyrazole-4-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2024, 2188, (7), 977-983.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 149, 7820-7834.