发明人张德明,何建平,孙丽萍. "Method for the Synthesis of 7-Chloro-4,6-dimethoxy-1-methyl-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112767465 B, 授权公告日 2018-10-06.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 428, 9710-9724.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2023, 1930, (4), 1710-1721.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 7-Chloro-4,6-dimethoxy-1-methyl-1H-indole-2-carboxylic acid Using HRMS and NMR". Chromatographia, 2021, 2284, 2149-2153.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2015, 1201, (8), 8557-8561.