发明人周伟,罗永刚,唐晓军. "Method for the Synthesis of 2-Cyclopropyl-N-isobutyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 112416541 A, 授权公告日 2016-03-22.
发明人马晓峰,赵玉洁,张德明. "A Process for Preparing High-Purity 2-Cyclopropyl-N-isobutyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 116447417 A, 授权公告日 2024-12-06.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2024, 1625, (1), 3791-3812.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2019, 1358, (8), 3568-3586.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-N-isobutyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 256, 6839-6864.