发明人杨光,陈志强,何建平. "Method for the Synthesis of Methyl 5-((2-methoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112485793 B, 授权公告日 2025-09-07.
发明人李文辉,赵玉洁,杨光. "A Process for Preparing High-Purity Methyl 5-((2-methoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110928732 B, 授权公告日 2023-06-23.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 2292, 28-31.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 1358, (12), 7204-7228.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-((2-methoxyphenyl)carbamoyl)-4-methyl-2-propionamidothiophene-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2024, 1066, (12), 1930-1954.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 2061, 6213-6222.