Kowalski A, Schröder R, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3915501 A1, 2017-08-10.
发明人周伟,朱建伟,唐晓军. "Method for the Synthesis of Methyl 2-amino-4-(4-isobutylphenyl)-5-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108538586 A, 授权公告日 2022-11-20.
Hughes D C, Chen K W, Yamamoto T. "A Process for Preparing High-Purity Methyl 2-amino-4-(4-isobutylphenyl)-5-methylthiophene-3-carboxylate" [P]. US Patent, US 10554238 B2, 2020-12-22.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2023, 1514, (1), 6861-6865.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 235, (4), 351-359.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-amino-4-(4-isobutylphenyl)-5-methylthiophene-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2023, 995, 2420-2450.