Thymidine, 3′-de(phosphinicooxy)-5′-O-[tris[4-(1,1-dimethylethyl)phenyl]methyl]thymidylyl(2-oxo-1,2-ethanediyl)[[4-[2-(2-methoxyethoxy)ethoxy]phenyl]imino]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[tris[4-(1,1-dimethylethyl)phenyl]methyl]thymidylyl(2-oxo-1,2-ethanediyl)[[2-(2-ethoxyethoxy)ethyl]imino]-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[tris[4-(1,1-dimethylethyl)phenyl]methyl]thymidylyl(2-oxo-1,2-ethanediyl)(phenylimino)-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-[(4-octylphenyl)amino]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-[[4-[2-(2-methoxyethoxy)ethoxy]phenyl]amino]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-[[2-(2-ethoxyethoxy)ethyl]amino]-

Thymidine, 5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5′-(phenylamino)-

Thymidine, 3′-(carboxymethyl)-3′-deoxy-5′-O-[tris[4-(1,1-dimethylethyl)phenyl]methyl]-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[tris[4-(1,1-dimethylethyl)phenyl]methyl]thymidylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

8H-5,7a-Epoxy-2H-pyrimido[5,4-f]pyrrolo[1,2-a]azepine-6-carboxylic acid, 1,3,4,5,6,7,9,10-octahydro-1,3-dimethyl-2,4-dioxo-, ethyl ester, [5S-(5α,6α,7aα)]-

8H-5,7a-Epoxy-4H-pyrido[3,4-f]pyrrolo[1,2-a]azepine-6-carboxylic acid, 3,5,6,7,9,10-hexahydro-2,3-dimethyl-4-oxo-, ethyl ester, [5S-(5α,6α,7aα)]-

Ethyl (3aR,5S,6S)-2,3,5,6-tetrahydro-7-oxo-4H-3a,6-epoxy-1H,7H-pyrido[1′,2′:1,2]pyrimido[5,4-f]pyrrolo[1,2-a]azepine-5-carboxylate

P-[(7R,9R,10R,11S,13S,14S,15S,16R,17R,20S)-2-Amino-1,4,10,11,14,15,16,17-octahydro-10,15,16,20-tetrahydroxy-9-(hydroxymethyl)-4-oxo-14,17-epoxy-7,11-methano-9H,13H-[1,3,11,5]trioxaazacyclotetradecino[5,4-e]purin-13-yl] trihydrogen (diphosphate)

P-[(7R,9R,10R,11S,13S,14S,15S,16R,17R,20S)-2-Amino-3,4,10,11,14,15,16,17-octahydro-10,15,16,20-tetrahydroxy-9-(hydroxymethyl)-3-methyl-4-oxo-14,17-epoxy-7,11-methano-9H,13H-[1,3,11,5]trioxaazacyclotetradecino[5,4-e]purin-13-yl] trihydrogen (diphosphate)

Guanosine, (S)-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-N-(2-methyl-1-oxopropyl)-

Uridine, 3-[(2S)-2-hydroxy-2-phenylethyl]-