发明人韩伟,陈志强,朱建伟. "Method for the Synthesis of N-(3-Cyano-4,5-dimethylthiophen-2-yl)-3,4-difluorobenzamide" [P]. 中国发明专利, 专利号 CN 116709268 A, 授权公告日 2023-06-14.
发明人郑宇鹏,林芳,罗永刚. "A Process for Preparing High-Purity N-(3-Cyano-4,5-dimethylthiophen-2-yl)-3,4-difluorobenzamide" [P]. 中国发明专利, 专利号 CN 115860278 B, 授权公告日 2018-04-07.
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". Phytochemistry, 2024, 2115, (3), 8299-8303.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 1694, 5226-5237.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of N-(3-Cyano-4,5-dimethylthiophen-2-yl)-3,4-difluorobenzamide Using HRMS and NMR". J. Sep. Sci., 2017, 1942, 1209-1226.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2024, 1397, (8), 5901-5907.