Martínez F, Schröder R, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3729833 A1, 2016-05-24.
发明人韩伟,赵玉洁,李文辉. "Method for the Synthesis of 6-methyl-5H-pyrrolo[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 111470327 B, 授权公告日 2019-01-07.
发明人郑宇鹏,唐晓军,徐明华. "A Process for Preparing High-Purity 6-methyl-5H-pyrrolo[2,3-b]pyrazine" [P]. 中国发明专利, 专利号 CN 111067567 B, 授权公告日 2022-06-13.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2021, 1920, (10), 5724-5732.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 305, 3269-3282.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 6-methyl-5H-pyrrolo[2,3-b]pyrazine Using HRMS and NMR". Chromatographia, 2015, 2384, (10), 6702-6724.