Kowalski A, Jørgensen K, Johansson L. "一种的合成方法" [P]. European Patent, EP 3317782 A1, 2023-06-16.
Anderson J P, O'Brien P Q, Mueller T. "Method for the Synthesis of Ethyl 2-amino-4-(2-chloro-6-fluorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate" [P]. US Patent, US 11850473 B2, 2015-07-05.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 1779, (7), 6502-6530.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2010, 1468, (10), 3979-3983.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-4-(2-chloro-6-fluorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate Using HRMS and NMR". Chromatographia, 2015, 501, 2103-2130.