发明人王建平,孙丽萍,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111248918 A, 授权公告日 2017-12-24.
发明人李文辉,周伟,郑宇鹏. "Method for the Synthesis of 2-(4Methoxy-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 110313238 A, 授权公告日 2021-04-27.
发明人李文辉,杨光,钱学锋. "A Process for Preparing High-Purity 2-(4Methoxy-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-oxoacetic acid" [P]. 中国发明专利, 专利号 CN 114068582 B, 授权公告日 2023-06-02.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 741, 5637-5653.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 802, (9), 1040-1063.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4Methoxy-1H-pyrrolo[2,3-b]pyridin-3-yl)-2-oxoacetic acid Using HRMS and NMR". Molecules, 2015, 1197, (11), 2538-2552.