Hughes D C, Anderson J P, Stevens L M. "Method for the Synthesis of 6-(Trifluoromethyl)-1H-indole-2-carboxylic acid" [P]. US Patent, US 11502075 B2, 2017-03-03.
Patel M V, Davis P L, Anderson J P. "A Process for Preparing High-Purity 6-(Trifluoromethyl)-1H-indole-2-carboxylic acid" [P]. US Patent, US 10132683 B2, 2020-03-09.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 186, (2), 4520-4533.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 220, (1), 2409-2415.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Trifluoromethyl)-1H-indole-2-carboxylic acid Using HRMS and NMR". Molecules, 2017, 2249, (7), 9442-9469.