(2R,3R,3aS,8bS)-7-Methoxy-8b-methyl-2,3,4,8b-tetrahydro-1H-cyclopenta[b]indole-2,3,3a-triol

(2R,3R,3aS,8bS)-7-Methoxy-4,8b-dimethyl-2,3,4,8b-tetrahydro-1H-cyclopenta[b]indole-2,3,3a-triol

(3aR,3bS,8bS,9aR)-7-methoxy-2,2,8b-trimethyl-4,8b,9,9a-tetrahydro-[1,3]dioxolo[4',5':4,5]cyclopenta[1,2-b]indol-3b(3aH)-ol

7-fluoro-1-((3aS,4S,6aR)-5-fluoro-2,2-dimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine

9-[(1'R,2'S,3'R)-2',3'-O-isopropylidenedioxy-4'-cyclopenten-1'-yl]-9-H-adenine