Brown S R, Mueller T, Lee S K. "Method for the Synthesis of Ethyl 6-chloro-2,3-dihydrobenzofuran-2-carboxylate" [P]. US Patent, US 9567031 B2, 2017-11-21.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 206, 4202-4218.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2021, 98, 3948-3959.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-chloro-2,3-dihydrobenzofuran-2-carboxylate Using HRMS and NMR". Talanta, 2010, 703, (2), 1208-1238.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2014, 1423, 3595-3602.