3H-Indolium, 3-[18-[4-amino-1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2-dihydro-2-oxo-5-pyrimidinyl]-5,14-dioxo-13-oxa-9,10-dithia-6,15-diazaoctadec-17-yn-1-yl]-2-[5-[1,3-dihydro-3,3-dimethyl-5-sulfo-1-(3-sulfopropyl)-2H-..

Pyrano[3,2-f:5,6-f′]diindol-11-ium, 5-[4-[14-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-1,10-dioxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-yn-1-yl]phenyl]-1,2,3,7,8,9-hexahydro-2,3..

2-[(2-Aminoethyl)dithio]ethyl N-[3-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl]carbamate

1-(1,1-Dimethylethyl) 14-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

1,1-Dimethylethyl 14-[1-[3-O-(azidomethyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

1,1-Dimethylethyl 14-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-10-oxo-9-oxa-5,6-dithia-2,11-diazatetradec-13-ynoate

5-(3-Amino-1-propyn-1-yl)-3′-O-(azidomethyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]uridine

3′-O-(Azidomethyl)-2′-deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-3′-O-[(methylthio)methyl]-5-[3-[(2,2,2-trifluoroacetyl)amino]-1-propyn-1-yl]uridine

2-[[2-[[(3′,6′-Dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-5-yl)carbonyl]amino]ethyl]dithio]ethyl N-[3-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl]carbam..

N-[1-(2-Deoxy-2,2-difluoro-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]-N2-[4-[[(2,4-diamino-7-pteridinyl)methyl]methylamino]benzoyl]-L-glutamine

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[2-[5-(3-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-thienyl]ethynyl]-3-(4-methylbenzoyl)-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[2-[5-(3-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-thienyl]ethynyl]-3-(4-methylbenzoyl)uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3-(4-methylbenzoyl)-3′-O-(triethylsilyl)-5-[2-(trimethylsilyl)ethynyl]uridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-(triethylsilyl)-5-[2-(trimethylsilyl)ethynyl]uridine

7-[5-C-(2-Fluorophenyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-iodo-3′-O-(triethylsilyl)uridine

7-[(5R)-5-C-(4-Chlorophenyl)-β-D-ribofuranosyl]-4-methyl-7H-pyrrolo[2,3-d]pyrimidine

7-[(5R)-5-C-(4-Chlorophenyl)-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine

7-[(5R)-5-C-Phenyl-β-D-ribofuranosyl]-7H-pyrrolo[2,3-d]pyrimidine