(1R,5R,8R,9R,10S)-9-(6-chloropurin-9-yl)-8-hydroxymethyl-6-oxaspiro[4.5]decane-1,10-diol

(3R,3aS,6aR)-2,3,4,6a-Tetrahydro-cyclopenta[b]furan-2,3,3a-triol

(3aR,4aR,7aR,7bR)-2,2-dimethyl-3a,4a,7,7b-tetrahydrocyclopenta[4,5]furo[2,3-d][1,3]dioxol-7a-ol

(3aR,4aR,7aR,7bR)-7a-allyloxy-2,2-dimethyl-3a,4a,7,7b-tetrahydrocyclopenta[4,5]furo[2,3-d][1,3]dioxole

(1R,3R,6R,7S,8R,9S)-5-benzyl-4-oxa-5-azatricyclo[4.2.1.03,7]nonane-1,8,9-triol