[(2R,3S,4R,5S)-5-(4-aminothieno[3,2-d]pyrimidin-7-yl)-3,4-dihydroxy-tetrahydrofuran-2-yl]methyl sulfamate

4-[(3aS,4S,6R,6aR)-6-[(tert-butyl(diphenyl)silyl)oxymethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-3-amino-thiophene-2-carbonitrile

7-[(3aS,4S,6R,6aR)-6-[(tert-butyl(diphenyl)silyl)oxymethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]thieno[3,2-d]pyrimidin-4-amine

((3aR,4R,6S,6aS)-6-(4-aminothieno[3,2-d]pyrimidin-7-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol

[(3aS,4S,6R,6aR)-4-(4-aminothieno[3,2-d]pyrimidin-7-yl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]methyl sulfamate