Martínez F, Johansson L, Nowak P. "Method for the Synthesis of 5-(N,N-Dimethylsulfamoyl)-1-ethyl-1H-indole-3-carboxylic acid" [P]. European Patent, EP 3672351 A1, 2019-05-22.
发明人钱学锋,张德明,唐晓军. "A Process for Preparing High-Purity 5-(N,N-Dimethylsulfamoyl)-1-ethyl-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109918151 A, 授权公告日 2021-04-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1512, (11), 9242-9248.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 237, 9112-9141.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-(N,N-Dimethylsulfamoyl)-1-ethyl-1H-indole-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 272, 7389-7394.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 404, (9), 8595-8604.