发明人王建平,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110737787 A, 授权公告日 2020-06-17.
发明人胡光,韩伟,陈志强. "Method for the Synthesis of Ethyl 2-(2-chloroacetamido)-4-(2,4-dimethylphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110171288 B, 授权公告日 2024-07-13.
发明人黄志刚,王建平,赵玉洁. "A Process for Preparing High-Purity Ethyl 2-(2-chloroacetamido)-4-(2,4-dimethylphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117159277 A, 授权公告日 2022-09-25.
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". Anal. Methods, 2024, 761, (3), 4561-4590.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 449, 2008-2017.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(2-chloroacetamido)-4-(2,4-dimethylphenyl)thiophene-3-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2012, 631, 9317-9326.