2′-O-(2-Thienylmethyl)guanosine

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidine

Adenosine 5′-(trihydrogen diphosphate), 5′→5′-ester with 1-(1,4-dihydro-1-β-D-ribofuranosyl-3-pyridinyl)-1-propanone

Guanosine 5′-(pentahydrogen tetraphosphate), P′′′→5-ester with D-ribose

Guanosine 5′-(tetrahydrogen triphosphate), P′′→5-ester with D-ribose

Cytidine, adenylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-

2H-3a,7,2-(Nitrilomethano)furo[3,2-a][3]benzazocine-2,6-dicarboxylic acid, 1,4,5,6,7,11b-hexahydro-5-methyl-13-oxo-, 6-ethyl 2-methyl ester, (2R,3aR,5R,6S,7S,11bS,12R)-rel-

3a,7,2-(Nitrilomethano)-3aH-furo[3,2-b]-4-benzazonine-2,6(1H)-dicarboxylic acid, 6,7,12,12a-tetrahydro-6-hydroxy-5-methyl-14-oxo-, 6-ethyl 2-methyl ester, (2R,3aR,6R,7R,12aR,13R)-rel-