Brown S R, Williams B T, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9258330 B2, 2019-12-23.
Park J H, Klinger H, Chen K W. "Method for the Synthesis of 6-Methylbenzo[b]thiophene-2-carboxylic acid" [P]. US Patent, US 11790545 B2, 2015-09-27.
发明人朱建伟,孙丽萍,韩伟. "A Process for Preparing High-Purity 6-Methylbenzo[b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117964649 B, 授权公告日 2024-10-20.
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". Environ. Sci. Technol., 2012, 2443, 8630-8650.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 2253, 5912-5939.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methylbenzo[b]thiophene-2-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2012, 1985, 7073-7099.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 1214, 9485-9489.