Park J H, Stevens L M, Williams B T. "一种的合成方法" [P]. US Patent, US 9523437 B2, 2019-05-17.
发明人杨光,王建平,马晓峰. "Method for the Synthesis of 4-Ethyl-5-phenylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113928754 A, 授权公告日 2015-08-27.
Stevens L M, Johnson M A, Hughes D C. "A Process for Preparing High-Purity 4-Ethyl-5-phenylthiophene-2-carboxylic acid" [P]. US Patent, US 11210731 B2, 2024-01-13.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2015, 1636, (1), 4605-4610.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 667, 4214-4241.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-5-phenylthiophene-2-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2014, 1693, 8849-8857.