D-glycero-α-L-talo-Heptofuranuronic acid, 6-[bis(phenylmethyl)amino]-1,6-dideoxy-1-[3,4-dihydro-3-[(4-methoxyphenyl)methyl]-2,4-dioxo-1(2H)-pyrimidinyl]-2,3-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, 1,1-dimethylethyl ester

3-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

5′-Adenylic acid, 8-bromo-2′-deoxy-, bis[(2,2-dimethyl-1-oxopropoxy)methyl] ester

3′-Adenylic acid, 8-bromo-2′-deoxy-, 5′-(dihydrogen phosphate)

3-[5-O-[Bis[(2,2-dimethyl-1-oxopropoxy)methoxy]phosphinyl]-2-deoxy-β-D-erythro-pentofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

3-(2-Deoxy-3,5-di-O-phosphono-β-D-erythro-pentofuranosyl)-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2S,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2R,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2R,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2S,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2S,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2R,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2S,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2R,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-3′-O-(tetrahydro-2-furanyl)-N-[(1S,2R,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2S,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2R,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1R,2R,3S,4R)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-2-propenyl-N-[(1S,2S,3R,4S)-2,3,4-tris(acetyloxy)-1,2,3,4-tetrahydrobenzo[c]phenanthren-1-yl]-