发明人高志强,刘建华,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115996045 A, 授权公告日 2018-09-09.
发明人何建平,王建平,赵玉洁. "Method for the Synthesis of Ethyl 4,6-difluoro-3-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113302793 B, 授权公告日 2022-12-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 1292, (4), 1272-1279.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1507, 2125-2130.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4,6-difluoro-3-methylbenzofuran-2-carboxylate Using HRMS and NMR". J. Nat. Prod., 2011, 1989, 4414-4438.