Kumar R, Anderson J P, Park J H. "一种的合成方法" [P]. US Patent, US 9381220 B2, 2018-07-22.
Park J H, Kumar R, Anderson J P. "Method for the Synthesis of 6-Ethyl-2,3-dihydrobenzofuran-2-carboxylic acid" [P]. US Patent, US 9676463 B2, 2019-12-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 1428, (3), 7663-7689.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2018, 1243, (4), 7536-7542.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethyl-2,3-dihydrobenzofuran-2-carboxylic acid Using HRMS and NMR". Molecules, 2012, 722, 940-966.