Hughes D C, Mueller T, Klinger H. "一种的合成方法" [P]. US Patent, US 10763249 B2, 2017-12-11.
Roberts E F, Brown S R, Yamamoto T. "Method for the Synthesis of Ethyl 2-amino-4-benzylthiophene-3-carboxylate" [P]. US Patent, US 11093318 B2, 2020-03-16.
发明人黄志刚,陈志强,赵玉洁. "A Process for Preparing High-Purity Ethyl 2-amino-4-benzylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114575777 B, 授权公告日 2023-06-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 897, 6654-6683.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 757, (9), 203-232.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-4-benzylthiophene-3-carboxylate Using HRMS and NMR". J. Nat. Prod., 2020, 1114, (1), 1019-1029.