adenine
(1R,4S)-4-(6-Amino-purin-9-yl)-cyclopent-2-enol
6-oxabicyclo<3.1.0>hex-2-ene
{9-[(3aR,4R,6S,6aS)-6-(Benzenesulfonyl-nitro-methyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-9H-purin-6-yl}-carbamic acid methyl ester
{9-[(3aR,4S,6R,6aS)-6-(Benzenesulfonyl-nitro-methyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-9H-purin-6-yl}-carbamic acid methyl ester
9-[(3aR,4R,6S,6aS)-6-(Benzenesulfonyl-nitro-methyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-9H-purin-6-ylamine
9-[(3aR,4S,6R,6aS)-6-(Benzenesulfonyl-nitro-methyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-9H-purin-6-ylamine
[(3aR,4S,6S,6aS)-6-(6-Amino-purin-9-yl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-methanol