Klinger H, Patel M V, Brown S R. "Method for the Synthesis of N-(Isoxazol-4-yl)-9H-xanthene-9-carboxamide" [P]. US Patent, US 9379222 B2, 2025-10-16.
发明人胡光,陈志强,周伟. "A Process for Preparing High-Purity N-(Isoxazol-4-yl)-9H-xanthene-9-carboxamide" [P]. 中国发明专利, 专利号 CN 112929804 A, 授权公告日 2020-10-18.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2015, 1734, (12), 1405-1410.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2017, 515, 9043-9056.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N-(Isoxazol-4-yl)-9H-xanthene-9-carboxamide Using HRMS and NMR". Anal. Chim. Acta, 2011, 1678, 8689-8694.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 2124, 8543-8554.