Hughes D C, Roberts E F, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10025275 B2, 2024-08-11.
发明人杨光,何建平,胡光. "Method for the Synthesis of 3-Ethylisoxazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109951782 B, 授权公告日 2021-03-27.
Park J H, Mueller T, O'Brien P Q. "A Process for Preparing High-Purity 3-Ethylisoxazole-5-carboxylic acid" [P]. US Patent, US 11899150 B2, 2025-04-02.
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". J. Pharm. Biomed. Anal., 2014, 335, (11), 7391-7403.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 2203, (7), 9481-9484.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethylisoxazole-5-carboxylic acid Using HRMS and NMR". Anal. Methods, 2020, 1688, (3), 3890-3917.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2016, 2048, 1436-1458.