Hughes D C, Chen K W, Stevens L M. "一种的合成方法" [P]. US Patent, US 11559934 B2, 2022-06-26.
发明人孙丽萍,张德明,赵玉洁. "Method for the Synthesis of 3-(Ethylamino)-5-methylisoxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109216879 A, 授权公告日 2019-04-08.
O'Brien P Q, Kumar R, Park J H. "A Process for Preparing High-Purity 3-(Ethylamino)-5-methylisoxazole-4-carboxylic acid" [P]. US Patent, US 10599538 B2, 2020-04-14.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 1247, (7), 2561-2564.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2019, 1975, 9132-9138.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Ethylamino)-5-methylisoxazole-4-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2025, 1394, (1), 6333-6363.