发明人冯建国,何建平,刘建华. "Method for the Synthesis of 4,6-Dimethoxythieno[2,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 112176163 B, 授权公告日 2019-09-26.
发明人高志强,郭海燕,唐晓军. "A Process for Preparing High-Purity 4,6-Dimethoxythieno[2,3-b]pyridine" [P]. 中国发明专利, 专利号 CN 110901742 B, 授权公告日 2015-02-19.
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". Rapid Commun. Mass Spectrom., 2024, 2396, (5), 8084-8105.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 1192, (6), 7059-7085.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dimethoxythieno[2,3-b]pyridine Using HRMS and NMR". Anal. Chim. Acta, 2024, 1052, 6880-6889.