发明人孙丽萍,韩伟,高志强. "Method for the Synthesis of tert-Butyl 3-amino-4-cyclopropylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117654495 B, 授权公告日 2018-01-13.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2020, 2448, 3595-3610.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 205, 9726-9744.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-amino-4-cyclopropylthiophene-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 2267, 8407-8420.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 1841, (11), 165-189.