Kumar R, O'Brien P Q, Yamamoto T. "Method for the Synthesis of Methyl 3-(2,6-difluorophenyl)-3-methyloxirane-2-carboxylate" [P]. US Patent, US 9113018 B2, 2022-12-25.
Patel M V, Williams B T, Klinger H. "A Process for Preparing High-Purity Methyl 3-(2,6-difluorophenyl)-3-methyloxirane-2-carboxylate" [P]. US Patent, US 10700175 B2, 2019-09-10.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 132, 1788-1803.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 645, 8857-8881.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-(2,6-difluorophenyl)-3-methyloxirane-2-carboxylate Using HRMS and NMR". Anal. Methods, 2011, 501, (4), 1083-1103.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2010, 510, (10), 3031-3039.