Brown S R, Schröder R, Klinger H. "Method for the Synthesis of N-(pentan-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide hydrochloride" [P]. US Patent, US 9422033 B2, 2025-10-06.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of N-(pentan-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide hydrochloride in Pharmaceutical Formulations". J. Sep. Sci., 2025, 2379, (10), 2176-2200.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-(pentan-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide hydrochloride as an Impurity". J. Chromatogr. A, 2025, 1342, 3686-3709.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of N-(pentan-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide hydrochloride Using HRMS and NMR". Anal. Chem., 2025, 2187, 7727-7749.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate N-(pentan-3-yl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide hydrochloride Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1981, (7), 348-353.