发明人杨光,徐明华,张德明. "Method for the Synthesis of N-Ethyl-5-methylisoxazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111300816 A, 授权公告日 2020-04-27.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 1280, (7), 2448-2468.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 2256, (10), 432-460.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of N-Ethyl-5-methylisoxazole-3-carboxamide Using HRMS and NMR". Chromatographia, 2023, 2349, (1), 994-1024.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 1901, (6), 1159-1166.