发明人杨光,韩伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117540945 A, 授权公告日 2022-06-05.
发明人钱学锋,刘建华,冯建国. "Method for the Synthesis of 4,6-Dihydroxy-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117440961 B, 授权公告日 2022-06-25.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1202, 7644-7660.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 556, 4201-4228.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dihydroxy-1H-indole-2-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2015, 565, 9184-9189.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2020, 1488, (3), 8116-8122.