发明人徐明华,杨光,陈志强. "Method for the Synthesis of 6-Amino-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111722753 A, 授权公告日 2015-04-13.
发明人韩伟,赵玉洁,黄志刚. "A Process for Preparing High-Purity 6-Amino-1-benzothiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113232136 A, 授权公告日 2022-01-17.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 154, (5), 510-525.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 2325, 4390-4405.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-1-benzothiophene-2-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2023, 1071, (11), 4037-4043.