Mueller T, Chen K W, Brown S R. "一种的合成方法" [P]. US Patent, US 10791836 B2, 2021-01-24.
Lefèvre J P, Johansson L, Sørensen M. "Method for the Synthesis of 3-({6-chloro-1H-pyrazolo[3,4-b]pyrazin-1-yl}(²H₂)methyl)pyridine" [P]. European Patent, EP 3770393 A1, 2022-06-09.
发明人韩伟,马晓峰,高志强. "A Process for Preparing High-Purity 3-({6-chloro-1H-pyrazolo[3,4-b]pyrazin-1-yl}(²H₂)methyl)pyridine" [P]. 中国发明专利, 专利号 CN 109470875 B, 授权公告日 2017-10-06.
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, 2014, 729, 929-958.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 492, (4), 5215-5242.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 3-({6-chloro-1H-pyrazolo[3,4-b]pyrazin-1-yl}(²H₂)methyl)pyridine Using HRMS and NMR". J. Chromatogr. A, 2015, 1004, (11), 2782-2799.