Yamamoto T, Williams B T, Thompson G K. "一种的合成方法" [P]. US Patent, US 9025656 B2, 2021-10-19.
发明人罗永刚,陈志强,胡光. "Method for the Synthesis of 4-Ethylthiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 109018848 A, 授权公告日 2019-08-10.
Lefèvre J P, Kowalski A, Björnsson E. "A Process for Preparing High-Purity 4-Ethylthiophene-3-carbonitrile" [P]. European Patent, EP 3179674 A1, 2023-08-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1762, (5), 3633-3637.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 982, (3), 1249-1253.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethylthiophene-3-carbonitrile Using HRMS and NMR". J. Agric. Food Chem., 2015, 1947, 3465-3479.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 176, (6), 7130-7141.