(4-((3aS,4S,6R,6aR)-6-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-2-cyanofuran-3-yl)-N,N-dimethylformimidamide

7-((3aS,4S,6R,6aR)-6-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-N-((S)-2,3-dihydro-1H-inden-1-yl)furo[3,2-d]pyrimidin-4-amine

((2R,3S,4R,5S)-5-(4-aminopyrazolo[1,5-a][1,3,5]triazin-8-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl sulfamate

7-((3aS,6R,6aR)-6-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-N-((S)-2,3-dihydro-1H-inden-1-yl)-5H-pyrrolo[3,2-d]pyrimidin-4-amine

3-amino-4-((3aS,6R,6aR)-6-((tert-butyldiphenylsilyloxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-1H-pyrrole-2-carbonitrile