发明人李文辉,刘建华,赵玉洁. "Method for the Synthesis of 4-Nitro-1h-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116522151 B, 授权公告日 2022-03-28.
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". Phytochemistry, 2016, 203, (11), 1002-1007.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2023, 2452, 8084-8087.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Nitro-1h-indole-2-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2014, 827, 1705-1710.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 1566, (5), 7606-7626.