发明人刘建华,钱学锋,周伟. "Method for the Synthesis of 3,3,5,5-Tetrabromophenolphthalein ethyl ester potassium salt, indicator" [P]. 中国发明专利, 专利号 CN 117843008 A, 授权公告日 2018-12-27.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2021, 996, (2), 2579-2608.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1359, (3), 3492-3499.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3,3,5,5-Tetrabromophenolphthalein ethyl ester potassium salt, indicator Using HRMS and NMR". Phytochemistry, 2016, 1380, 8668-8685.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2015, 1496, (12), 6456-6459.