发明人唐晓军,陈志强,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110199152 A, 授权公告日 2015-05-27.
Martínez F, Björnsson E, Sørensen M. "Method for the Synthesis of 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid" [P]. European Patent, EP 3104475 A1, 2019-11-10.
发明人刘建华,韩伟,胡光. "A Process for Preparing High-Purity 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108225818 A, 授权公告日 2023-06-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 2189, (9), 36-52.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 478, (9), 7544-7565.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methylthieno[3,2-b]thiophene-2-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2025, 1920, 658-674.