发明人赵玉洁,张德明,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114507179 A, 授权公告日 2025-04-04.
发明人郭海燕,林芳,高志强. "Method for the Synthesis of 6-Hydroxy-5-oxo-5H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115767748 B, 授权公告日 2016-04-20.
Davis P L, Thompson G K, Kumar R. "A Process for Preparing High-Purity 6-Hydroxy-5-oxo-5H-indole-2-carboxylic acid" [P]. US Patent, US 11167020 B2, 2025-08-20.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 2096, 3606-3627.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1279, 6959-6969.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 6-Hydroxy-5-oxo-5H-indole-2-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2020, 1219, (4), 8272-8278.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2015, 706, (8), 8249-8266.