Stevens L M, Yamamoto T, O'Brien P Q. "Method for the Synthesis of 5-(7-Ethoxybenzofuran-2-yl)-1,3,4-oxadiazol-2(3H)-one" [P]. US Patent, US 11848339 B2, 2021-04-27.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 954, 593-618.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 569, (7), 849-857.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 5-(7-Ethoxybenzofuran-2-yl)-1,3,4-oxadiazol-2(3H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 1350, (12), 3333-3357.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2018, 1561, 6568-6584.