Jørgensen K, Lefèvre J P, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3651474 A1, 2025-06-19.
Williams B T, Davis P L, Brown S R. "Method for the Synthesis of 3,6-Dicyclopropylisoxazolo[5,4-b]pyridine-4-carbohydrazide" [P]. US Patent, US 11972208 B2, 2023-10-15.
发明人黄志刚,周伟,马晓峰. "A Process for Preparing High-Purity 3,6-Dicyclopropylisoxazolo[5,4-b]pyridine-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 110512330 B, 授权公告日 2018-02-16.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 2424, 4801-4806.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2010, 2073, (8), 7095-7114.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3,6-Dicyclopropylisoxazolo[5,4-b]pyridine-4-carbohydrazide Using HRMS and NMR". Anal. Chim. Acta, 2020, 109, (2), 9338-9367.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2019, 821, 9267-9297.