发明人黄志刚,郑宇鹏,张德明. "Method for the Synthesis of 2-Amino-4-ethyl-5-methyl-N-(pyridin-3-ylmethyl)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112168332 A, 授权公告日 2024-11-07.
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". Biomed. Chromatogr., 2014, 773, (9), 2624-2632.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 2231, (9), 6094-6106.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-ethyl-5-methyl-N-(pyridin-3-ylmethyl)thiophene-3-carboxamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 179, 8757-8762.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 2212, (9), 4560-4588.