(3'S,5'R)-N6-benzoyl-9-<2'-deoxy-5'-O-<(4,4'-dimethoxytriphenyl)methyl>-3',5'-ethano-α-D-ribofuranosyl>adenine

(3'S,5'R,6'R)-N6-benzoyl-9-{2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-3',5'-ethano-5',6'-methano-α-D-ribofuranosyl}adenine

N-(9-{[(1S,5S,6R,8S)-6-[Bis-(4-methoxy-phenyl)-phenyl-methoxy]-8-(tert-butyl-dimethyl-silanyloxy)-2-oxa-bicyclo[3.2.1]oct-5-ylcarbamoyl]-methyl}-9H-purin-6-yl)-benzamide

(3'S,5'R)-1-<2'-deoxy-5'-O-<(4,4'-dimethoxytriphenyl)methyl>-3',5'-ethano-3'-O-<4-(4-nitrophenyloxy)succinyl>-β-D-ribofuranosyl>thymine

N-[(1S,5S,6R,8S)-6-[Bis-(4-methoxy-phenyl)-phenyl-methoxy]-8-(tert-butyl-dimethyl-silanyloxy)-2-oxa-bicyclo[3.2.1]oct-5-yl]-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-acetamide