Björnsson E, Lefèvre J P, Mueller T C. "Method for the Synthesis of 4-Amino-N,6-dimethyl-6H-pyrrolo[3,4-d]pyrimidine-7-carboxamide" [P]. European Patent, EP 3845423 A1, 2020-01-25.
发明人冯建国,郑宇鹏,杨光. "A Process for Preparing High-Purity 4-Amino-N,6-dimethyl-6H-pyrrolo[3,4-d]pyrimidine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 111960598 B, 授权公告日 2018-08-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 485, (5), 8609-8629.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1814, (9), 2497-2506.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Amino-N,6-dimethyl-6H-pyrrolo[3,4-d]pyrimidine-7-carboxamide Using HRMS and NMR". Chromatographia, 2014, 2169, 6315-6325.