发明人罗永刚,陈志强,张德明. "Method for the Synthesis of 5-Ethylisoxazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 117350985 B, 授权公告日 2023-06-02.
Stevens L M, Klinger H, Lee S K. "A Process for Preparing High-Purity 5-Ethylisoxazole-3-carbohydrazide" [P]. US Patent, US 11437106 B2, 2019-12-07.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 880, (4), 5405-5428.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 1917, (6), 5789-5793.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethylisoxazole-3-carbohydrazide Using HRMS and NMR". Molecules, 2010, 1600, (3), 3207-3225.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 675, (1), 1948-1971.