Lee S K, Brown S R, Johnson M A. "一种的合成方法" [P]. US Patent, US 10345811 B2, 2018-01-19.
Schröder R, Park J H, Johnson M A. "Method for the Synthesis of 5-(5-Methylfuran-2-yl)thiophene-2-carboxylic acid" [P]. US Patent, US 11968866 B2, 2017-07-24.
Lee S K, O'Brien P Q, Brown S R. "A Process for Preparing High-Purity 5-(5-Methylfuran-2-yl)thiophene-2-carboxylic acid" [P]. US Patent, US 10673475 B2, 2021-01-13.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 1488, (12), 1207-1225.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2010, 423, (2), 4836-4860.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5-(5-Methylfuran-2-yl)thiophene-2-carboxylic acid Using HRMS and NMR". Food Chem., 2017, 271, (5), 7200-7208.