发明人沈红梅,周伟,孙丽萍. "Method for the Synthesis of 5-Bromo-N-methyl-N-(2-(methylamino)-2-oxoethyl)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 108845369 B, 授权公告日 2018-12-17.
发明人张德明,马晓峰,郭海燕. "A Process for Preparing High-Purity 5-Bromo-N-methyl-N-(2-(methylamino)-2-oxoethyl)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109920905 A, 授权公告日 2022-06-11.
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". Phytochemistry, 2015, 236, (1), 9995-10012.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1596, (9), 9424-9452.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-N-methyl-N-(2-(methylamino)-2-oxoethyl)thiophene-3-carboxamide Using HRMS and NMR". Anal. Methods, 2024, 175, 2422-2438.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1148, (6), 952-958.