发明人黄志刚,罗永刚,杨光. "Method for the Synthesis of 4-Hydroxy-3-methyl-6-(trifluoromethyl)-4,5,6,7-tetrahydrobenzofuran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112795474 B, 授权公告日 2025-01-13.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 1541, (4), 9857-9874.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 1088, (5), 1912-1937.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-3-methyl-6-(trifluoromethyl)-4,5,6,7-tetrahydrobenzofuran-2-carboxylic acid Using HRMS and NMR". Anal. Chem., 2024, 683, (8), 6785-6790.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 542, (8), 38-52.