发明人唐晓军,郑宇鹏,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113931038 A, 授权公告日 2015-02-05.
Thompson G K, Hughes D C, Park J H. "Method for the Synthesis of 2-Amino-5-ethyl-4-methylthiophene-3-carboxamide" [P]. US Patent, US 11321986 B2, 2016-03-10.
Yamamoto T, Klinger H, Lee S K. "A Process for Preparing High-Purity 2-Amino-5-ethyl-4-methylthiophene-3-carboxamide" [P]. US Patent, US 10745788 B2, 2019-10-20.
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". Chemosphere, 2019, 480, 7852-7869.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 1255, (10), 9331-9349.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-ethyl-4-methylthiophene-3-carboxamide Using HRMS and NMR". Sci. Total Environ., 2021, 908, 2691-2712.