Johnson M A, Williams B T, Klinger H. "Method for the Synthesis of 2-(4-Hydroxy-3-methylbenzoyl)benzoic acid" [P]. US Patent, US 9187815 B2, 2022-01-04.
发明人杨光,赵玉洁,徐明华. "A Process for Preparing High-Purity 2-(4-Hydroxy-3-methylbenzoyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 111424601 B, 授权公告日 2019-12-26.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2011, 1675, (8), 1466-1480.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 2028, (2), 8253-8272.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Hydroxy-3-methylbenzoyl)benzoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1165, 7747-7759.