发明人徐明华,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114957438 A, 授权公告日 2018-04-10.
发明人李文辉,陈志强,赵玉洁. "Method for the Synthesis of 2-(2,5-Dichlorothiophene-3-carboxamido)-6-ethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 114689900 A, 授权公告日 2023-12-02.
发明人唐晓军,周伟,马晓峰. "A Process for Preparing High-Purity 2-(2,5-Dichlorothiophene-3-carboxamido)-6-ethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 113299221 A, 授权公告日 2016-08-10.
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". Chemosphere, 2013, 146, (12), 9565-9589.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 694, (12), 3765-3785.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,5-Dichlorothiophene-3-carboxamido)-6-ethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride Using HRMS and NMR". Molecules, 2014, 1883, (9), 3003-3007.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2023, 2308, (5), 4853-4868.