Anderson J P, Mueller T, Schröder R. "一种的合成方法" [P]. US Patent, US 9073815 B2, 2021-08-09.
发明人高志强,唐晓军,朱建伟. "Method for the Synthesis of Propyl 2-amino-4-(3,4-dimethoxyphenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115084064 A, 授权公告日 2022-12-20.
Stevens L M, Hughes D C, O'Brien P Q. "A Process for Preparing High-Purity Propyl 2-amino-4-(3,4-dimethoxyphenyl)thiophene-3-carboxylate" [P]. US Patent, US 9069888 B2, 2022-01-12.
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". Anal. Methods, 2013, 2168, (12), 8040-8044.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2010, 1521, (4), 924-947.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Propyl 2-amino-4-(3,4-dimethoxyphenyl)thiophene-3-carboxylate Using HRMS and NMR". Anal. Chem., 2014, 1844, (9), 3258-3264.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2023, 504, (9), 9401-9429.