发明人徐明华,张德明,钱学锋. "Method for the Synthesis of 5-Ethoxyisophthalic acid" [P]. 中国发明专利, 专利号 CN 112634803 A, 授权公告日 2016-09-06.
发明人韩伟,陈志强,冯建国. "A Process for Preparing High-Purity 5-Ethoxyisophthalic acid" [P]. 中国发明专利, 专利号 CN 109848847 A, 授权公告日 2017-12-10.
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". Phytochemistry, 2012, 1054, 1607-1636.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 850, 6057-6067.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethoxyisophthalic acid Using HRMS and NMR". Anal. Chim. Acta, 2010, 2209, 5015-5035.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2016, 283, (6), 9780-9805.