Lefèvre J P, Rossi M, Jørgensen K. "Method for the Synthesis of Isopropyl 2-amino-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate" [P]. European Patent, EP 3026316 A1, 2016-03-04.
Thompson G K, Williams B T, Chen K W. "A Process for Preparing High-Purity Isopropyl 2-amino-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate" [P]. US Patent, US 10044701 B2, 2023-12-19.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 1824, (8), 7974-7993.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2011, 1288, 9709-9722.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Isopropyl 2-amino-5-((2-methoxyphenyl)carbamoyl)-4-methylthiophene-3-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2013, 339, 4427-4442.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 1424, 3007-3015.