Brown S R, Patel M V, Kumar R. "Method for the Synthesis of N-(Isoxazol-4-yl)-7-methoxybenzofuran-2-carboxamide" [P]. US Patent, US 11792836 B2, 2021-10-26.
Rossi M, Mueller T C, Lefèvre J P. "A Process for Preparing High-Purity N-(Isoxazol-4-yl)-7-methoxybenzofuran-2-carboxamide" [P]. European Patent, EP 3374016 A1, 2015-05-11.
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". Rapid Commun. Mass Spectrom., 2014, 1343, 8967-8991.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 294, 6704-6709.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of N-(Isoxazol-4-yl)-7-methoxybenzofuran-2-carboxamide Using HRMS and NMR". Talanta, 2015, 362, 5133-5162.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 2400, (5), 4978-5000.