发明人冯建国,胡光,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109636999 A, 授权公告日 2024-06-05.
发明人黄志刚,胡光,王建平. "Method for the Synthesis of 2-Methyl-7-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116194930 B, 授权公告日 2024-02-21.
发明人林芳,高志强,沈红梅. "A Process for Preparing High-Purity 2-Methyl-7-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109073461 A, 授权公告日 2016-12-04.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 449, (2), 2382-2394.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 644, (7), 5280-5295.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-7-oxo-4,5,6,7-tetrahydro-1H-indole-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2015, 1236, 5128-5146.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2025, 2273, 6190-6197.