Jørgensen K, Johansson L, Martínez F. "一种的合成方法" [P]. European Patent, EP 3239657 A1, 2025-04-09.
Anderson J P, Patel M V, Lee S K. "Method for the Synthesis of 4-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)but-2-enoic acid" [P]. US Patent, US 11379735 B2, 2020-06-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2022, 2433, (5), 8834-8837.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1863, (4), 4210-4224.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1,1-Dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)but-2-enoic acid Using HRMS and NMR". Anal. Methods, 2012, 1539, (12), 7170-7174.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2022, 343, (2), 5273-5299.