发明人马晓峰,韩伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113957446 A, 授权公告日 2025-10-11.
发明人沈红梅,黄志刚,胡光. "Method for the Synthesis of 3-(1-Hydroxyethyl)-5-methoxy-1,2-dimethyl-1H-indole-4,7-dione" [P]. 中国发明专利, 专利号 CN 109714662 A, 授权公告日 2016-04-05.
Hughes D C, Lee S K, Thompson G K. "A Process for Preparing High-Purity 3-(1-Hydroxyethyl)-5-methoxy-1,2-dimethyl-1H-indole-4,7-dione" [P]. US Patent, US 11760545 B2, 2022-10-05.
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". J. Agric. Food Chem., 2024, 1285, (4), 7728-7756.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2012, 1914, (9), 7714-7729.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(1-Hydroxyethyl)-5-methoxy-1,2-dimethyl-1H-indole-4,7-dione Using HRMS and NMR". Talanta, 2024, 1875, (7), 5250-5253.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2024, 2359, (8), 4951-4964.