(2R,3R,4R,5R)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-methoxy-5-(5-nitro-indol-1-yl)-tetrahydro-furan-3-ol

(2R,3R,3aS,9aR)-5,5,7,7-Tetraisopropyl-2-(5-nitro-indol-1-yl)-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-3-ol

5-Nitro-1-((2R,3R,3aR,9aR)-5,5,7,7-tetraisopropyl-3-methoxy-tetrahydro-1,4,6,8-tetraoxa-5,7-disila-cyclopentacycloocten-2-yl)-1H-indole

2-amino-7-(5-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-β-D-ribofuranosyl)-4-chloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine

2,5,6-trichloro-3-formyl-1-(β-D-ribofuranosyl)indole