发明人冯建国,陈志强,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109800437 A, 授权公告日 2024-06-02.
发明人朱建伟,郑宇鹏,黄志刚. "Method for the Synthesis of ethyl 4-formyl-2,6-dimethyl-thieno[2,3-b]pyrrole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112104857 A, 授权公告日 2022-09-23.
发明人王建平,黄志刚,刘建华. "A Process for Preparing High-Purity ethyl 4-formyl-2,6-dimethyl-thieno[2,3-b]pyrrole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112396842 A, 授权公告日 2017-08-09.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 1663, (3), 8528-8547.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 1370, 5703-5714.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 4-formyl-2,6-dimethyl-thieno[2,3-b]pyrrole-5-carboxylate Using HRMS and NMR". J. Sep. Sci., 2023, 1217, 1162-1172.