Björnsson E, Lefèvre J P, Martínez F. "一种的合成方法" [P]. European Patent, EP 3157135 A1, 2022-05-27.
发明人胡光,沈红梅,黄志刚. "Method for the Synthesis of 2,4-Dimethyl 5-[bis(phenylcarbamoyl)amino]-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116486139 A, 授权公告日 2015-11-07.
发明人何建平,朱建伟,孙丽萍. "A Process for Preparing High-Purity 2,4-Dimethyl 5-[bis(phenylcarbamoyl)amino]-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113151880 A, 授权公告日 2021-12-13.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2020, 313, (11), 2908-2921.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 2375, (7), 6629-6651.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Dimethyl 5-[bis(phenylcarbamoyl)amino]-3-(2-methoxy-2-oxoethyl)thiophene-2,4-dicarboxylate Using HRMS and NMR". Anal. Chim. Acta, 2014, 1152, 2660-2687.