Björnsson E, Lefèvre J P, Rossi M. "一种的合成方法" [P]. European Patent, EP 3965822 A1, 2020-08-16.
发明人杨光,徐明华,韩伟. "Method for the Synthesis of 7-hydroxy-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108750075 A, 授权公告日 2020-07-25.
发明人赵玉洁,沈红梅,张德明. "A Process for Preparing High-Purity 7-hydroxy-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117225981 B, 授权公告日 2021-06-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1313, (10), 3468-3473.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 881, (4), 2749-2761.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 7-hydroxy-1H-indole-3-carboxylic acid Using HRMS and NMR". Molecules, 2014, 702, 4446-4458.