Jørgensen K, Nielsen H, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3521466 A1, 2016-10-23.
发明人李文辉,韩伟,钱学锋. "Method for the Synthesis of Isopropyl 2-amino-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109684448 B, 授权公告日 2016-05-10.
Stevens L M, Klinger H, O'Brien P Q. "A Process for Preparing High-Purity Isopropyl 2-amino-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate" [P]. US Patent, US 11225118 B2, 2022-07-25.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 1441, 7077-7084.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 1932, 9748-9764.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Isopropyl 2-amino-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 503, (4), 6636-6661.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2021, 1919, 6474-6491.