N6-benzoyl-8-chloro-9-[6,7-dideoxy-2,3-O-isopropylidene-7-C-(trimethylsilyl)-β-D-allo-hept-6-ynofuranosyl]adenine

N6-benzoyl-8-chloro-9-[6,7-dideoxy-2,3-O-isopropylidene-7-C-(trimethylsilyl)-α-L-talo-hept-6-ynofuranosyl]adenine

N6-benzoyl-9-[6,7-dideoxy-2,3-O-isopropylidene-7-C-(trimethylsilyl)-β-D-allo-hept-6-ynofuranosyl]-8-iodoadenine

N6-benzoyl-9-[6,7-dideoxy-2,3-O-isopropylidene-7-C-(trimethylsilyl)-α-L-talo-hept-6-ynofuranosyl]-8-iodoadenine

8-azido-N6-benzoyl-2',3'-O-isopropylidene-5'-O-(triethylsilyl)adenosine