发明人韩伟,黄志刚,刘建华. "Method for the Synthesis of Tert-butyl 2-chloro-5,7-dihydro-6H-pyrrolo[3,4-b]pyrazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 113354451 A, 授权公告日 2025-07-20.
发明人郭海燕,罗永刚,马晓峰. "A Process for Preparing High-Purity Tert-butyl 2-chloro-5,7-dihydro-6H-pyrrolo[3,4-b]pyrazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117457842 B, 授权公告日 2020-03-01.
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". Environ. Sci. Technol., 2022, 1892, (9), 1353-1367.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 770, (3), 5703-5723.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 2-chloro-5,7-dihydro-6H-pyrrolo[3,4-b]pyrazine-6-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2022, 1832, (12), 9922-9934.