发明人李文辉,黄志刚,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115587802 A, 授权公告日 2015-02-22.
Schröder R, Anderson J P, Johnson M A. "Method for the Synthesis of 7-Methyl-4-nitro-1h-indole-2-carboxylic acid" [P]. US Patent, US 11745184 B2, 2016-12-05.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 232, 6338-6366.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1719, 897-916.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methyl-4-nitro-1h-indole-2-carboxylic acid Using HRMS and NMR". Anal. Chem., 2010, 1181, (6), 116-125.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 1969, (8), 6289-6292.