Kumar R, Fischer A B, Johnson M A. "Method for the Synthesis of 3-Hydroxy-1H-indole-2-carboxylic acid" [P]. US Patent, US 10049271 B2, 2025-12-14.
发明人徐明华,王建平,高志强. "A Process for Preparing High-Purity 3-Hydroxy-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110564631 B, 授权公告日 2020-07-15.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1879, (7), 786-803.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 1875, 9090-9108.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Hydroxy-1H-indole-2-carboxylic acid Using HRMS and NMR". Chemosphere, 2025, 1952, (6), 3537-3561.