发明人孙丽萍,唐晓军,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111749580 A, 授权公告日 2023-09-17.
发明人张德明,唐晓军,黄志刚. "Method for the Synthesis of Ethyl 2-{[(dimethylamino)methylidene]amino}-4-phenylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113829069 B, 授权公告日 2015-12-12.
Anderson J P, Johnson M A, Lee S K. "A Process for Preparing High-Purity Ethyl 2-{[(dimethylamino)methylidene]amino}-4-phenylthiophene-3-carboxylate" [P]. US Patent, US 10894779 B2, 2024-02-10.
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". J. Chromatogr. A, 2022, 787, (8), 6054-6075.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 703, (3), 7831-7842.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-{[(dimethylamino)methylidene]amino}-4-phenylthiophene-3-carboxylate Using HRMS and NMR". Anal. Methods, 2021, 1238, 6530-6560.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 492, (7), 4590-4602.