发明人黄志刚,马晓峰,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110990453 A, 授权公告日 2021-03-01.
发明人韩伟,钱学锋,陈志强. "Method for the Synthesis of 5-Ethyl-N-(2-hydroxypropyl)-4-methylthiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 115730352 A, 授权公告日 2018-11-11.
Fischer A B, Yamamoto T, Park J H. "A Process for Preparing High-Purity 5-Ethyl-N-(2-hydroxypropyl)-4-methylthiophene-2-carboxamide" [P]. US Patent, US 9316357 B2, 2019-02-22.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 1934, 6752-6757.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 2362, (3), 6865-6878.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-N-(2-hydroxypropyl)-4-methylthiophene-2-carboxamide Using HRMS and NMR". Chemosphere, 2013, 160, 786-798.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 1527, 5655-5670.