9-[(1α,3β,3′aS,6′R,6′aR)-3-Azidodihydro-2′,2′-dimethylspiro[cyclobutane-1,4′(3′aH)-furo[3,4-d][1,3]dioxol]-6′-yl]-9H-purin-6-amine

Spiro[cyclobutane-1,4′(3′aH)-furo[3,4-d][1,3]dioxol]-3-ol, 6′-(6-amino-9H-purin-9-yl)dihydro-2′,2′-dimethyl-, 3-methanesulfonate, (1α,3α,3′aS,6′R,6′aR)-

5-Oxaspiro[3.4]octane-1,7,8-triol, 6-(6-chloro-9H-purin-9-yl)-, 7,8-diacetate 1-benzoate, (1R,4S,6R,7R,8S)-

(1S,4S,6R,7R,8S)-6-(6-Amino-9H-purin-9-yl)-5-oxaspiro[3.4]octane-1,7,8-triol

5-Oxaspiro[3.4]octane-1,7,8-triol, 6-(6-chloro-9H-purin-9-yl)-, 7,8-diacetate 1-benzoate, (1S,4S,6R,7R,8S)-