发明人马晓峰,郭海燕,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117938096 A, 授权公告日 2024-04-19.
发明人何建平,杨光,李文辉. "Method for the Synthesis of 2-(Methyl(phenyl)amino)-2-oxoethyl 5-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115853755 B, 授权公告日 2024-04-20.
发明人胡光,张德明,刘建华. "A Process for Preparing High-Purity 2-(Methyl(phenyl)amino)-2-oxoethyl 5-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117149417 B, 授权公告日 2023-03-01.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2014, 401, 6758-6767.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 973, (12), 7448-7461.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Methyl(phenyl)amino)-2-oxoethyl 5-methylthiophene-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 272, 7187-7215.