发明人沈红梅,黄志刚,孙丽萍. "Method for the Synthesis of 4,5-Dimethyl-2-(2-phenoxyacetamido)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109228655 A, 授权公告日 2021-06-07.
发明人郑宇鹏,韩伟,胡光. "A Process for Preparing High-Purity 4,5-Dimethyl-2-(2-phenoxyacetamido)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111218756 A, 授权公告日 2023-05-05.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2010, 2110, (3), 6194-6199.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 883, (8), 75-91.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dimethyl-2-(2-phenoxyacetamido)thiophene-3-carboxamide Using HRMS and NMR". Molecules, 2011, 2084, 1695-1722.