发明人黄志刚,冯建国,唐晓军. "一种4,5-二甲基噻吩-2-羰酸的合成方法" [P]. 中国发明专利, 专利号 CN 109506339 A, 授权公告日 2022-04-25.
Patel M V, Stevens L M, Williams B T. "Method for the Synthesis of 4,5-Dimethylthiophene-2-carboxylic acid" [P]. US Patent, US 9377230 B2, 2015-08-10.
发明人赵玉洁,孙丽萍,高志强. "A Process for Preparing High-Purity 4,5-Dimethylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117458074 B, 授权公告日 2024-05-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 4,5-二甲基噻吩-2-羰酸 in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 705, 7617-7626.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4,5-二甲基噻吩-2-羰酸 as an Impurity". Food Chem., 2024, 1400, 8645-8673.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dimethylthiophene-2-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2020, 625, (3), 3177-3181.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 4,5-二甲基噻吩-2-羰酸 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2022, 2411, (2), 1763-1780.