N-{9-[(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2,2-dimethyl-propionyl)-4-hydroxy-tetrahydro-furan-2-yl]-9H-purin-6-yl}-benzamide

1-[(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxymethyl-5-methoxy-tetrahydro-furan-2-yl]-2,2-dimethyl-propan-1-one

Benzoic acid (2R,3S)-3-(tert-butyl-dimethyl-silanyloxy)-2-(2,2-dimethyl-propionyl)-5-methoxy-tetrahydro-furan-2-ylmethyl ester

1-[(2R,3S,5R)-5-(6-Amino-purin-9-yl)-2-benzyloxymethyl-3-hydroxy-tetrahydro-furan-2-yl]-2,2-dimethyl-propan-1-one

Phosphoric acid (2R,3S,5R)-5-(6-amino-purin-9-yl)-2-benzyloxymethyl-2-(2,2-dimethyl-propionyl)-tetrahydro-furan-3-yl ester diethyl ester