Johnson M A, Yamamoto T, Kumar R. "Method for the Synthesis of 5-Bromo-2-methyl-thiophene-3-carboxylic acid ethyl ester" [P]. US Patent, US 10933223 B2, 2021-06-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1224, (6), 3910-3936.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2017, 2336, (3), 4541-4547.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-2-methyl-thiophene-3-carboxylic acid ethyl ester Using HRMS and NMR". Anal. Methods, 2011, 793, (8), 4026-4047.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 1728, (4), 4464-4482.