2',3''-O-bis(tert-butyldimethylsilyl)aristeromycin

(1R,2S,3R,5R)-3-(6-Amino-purin-9-yl)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-cyclopentane-1,2-diol

9-[(1R,2S,3R,4R)-4-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2,3-bis-(tert-butyl-dimethyl-silanyloxy)-cyclopentyl]-9H-purin-6-ylamine