(9H-fluoren-9-yl)methyl (3aR,3bR,6S,7R,7aR,8aR)-6-hydroxy-2,2-dimethylhexahydro-7,3b-(epiminoethano)[1,3]dioxolo[4',5':4,5]furo[3,2-b]pyran-9-carboxylate

(9H-fluoren-9-yl)methyl (3aR,3bR,6R,7R,7aR,8aR)-6-hydroxy-2,2-dimethylhexahydro-7,3b-(epiminoethano)[1,3]dioxolo[4',5':4,5]furo[3,2-b]pyran-9-carboxylate

(3aS,5S,6R,6aS)-1-Benzyl-5-benzyloxy-5-hydroxymethyl-hexahydro-cyclopenta[c]isoxazol-6-ol

(3aR,5R,6S,6aR)-1-Benzyl-5-benzyloxy-5-hydroxymethyl-hexahydro-cyclopenta[c]isoxazol-6-ol

(1R,2S,3R,4S,5R,7R)-3-(5-amino-6-chloropyrimidin-4-ylamino)bicyclo[2.2.1]heptane-1,2,5,7-tetraol