Jørgensen K, Björnsson E, Schröder R. "Method for the Synthesis of 3-Chloro-6-methoxy-1-benzothiophene-2-carboxylic acid" [P]. European Patent, EP 3285570 A1, 2020-02-15.
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". Anal. Methods, 2021, 2326, (6), 3870-3883.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 1426, (5), 6257-6263.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-6-methoxy-1-benzothiophene-2-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2021, 2187, 3024-3043.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 921, 4693-4717.