发明人高志强,徐明华,韩伟. "Method for the Synthesis of 2-Cyclopropyl-N-isopropyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 110747424 B, 授权公告日 2015-01-10.
发明人杨光,黄志刚,马晓峰. "A Process for Preparing High-Purity 2-Cyclopropyl-N-isopropyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 115687433 A, 授权公告日 2022-11-19.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 1920, 4243-4268.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 1759, (6), 3553-3572.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-N-isopropyl-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide Using HRMS and NMR". Chromatographia, 2020, 817, 4279-4299.