发明人李文辉,高志强,孙丽萍. "Method for the Synthesis of Methyl (E)-2-(((dimethylamino)methylene)amino)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116000932 B, 授权公告日 2015-02-24.
发明人孙丽萍,唐晓军,郭海燕. "A Process for Preparing High-Purity Methyl (E)-2-(((dimethylamino)methylene)amino)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108145019 A, 授权公告日 2021-04-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 2013, 3553-3576.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 1818, 2024-2052.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl (E)-2-(((dimethylamino)methylene)amino)thiophene-3-carboxylate Using HRMS and NMR". Sci. Total Environ., 2015, 258, 4705-4731.