Williams B T, Schröder R, Anderson J P. "Method for the Synthesis of (3S)-6-Fluoro-2,3,4,9-tetrahydro-1H-carbazole-3-carboxylic acid" [P]. US Patent, US 9555760 B2, 2017-05-14.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2394, (11), 6398-6408.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 2438, 453-467.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (3S)-6-Fluoro-2,3,4,9-tetrahydro-1H-carbazole-3-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2016, 2235, (5), 7699-7704.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 953, (11), 5006-5030.