4-chloro-5-iodo-7-(5-O-methyl-α-L-lyxofuranosyl)pyrrolo[2,3-d]pyrimidine

9-((3aR,4S,6aR)-6-Methoxy-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylmethyl)-9H-purin-6-ylamine

1-(2′,3′-O-isopropylidene-5′-deoxy-8-bromoadenosine)-4-(2″,3″-O-isopropylidene-5″-O-methylribosyl)-1,2,3-triazole