Adenosine, 5'-S-[(4-chlorophenyl)methyl]-5'-thio-

5-Methyl-2'-O-methyluridylyl-(3'→5')-5-methyl-2'-O-methyluridine

Cytidine, 2'-deoxy-5-ethynyl-3',5'-bis-O-[tris(1-methylethyl)silyl]-

Cytidine, 2'-deoxy-5-[(trimethylsilyl)ethynyl]-3',5'-bis-O-[tris(1-methylethyl)silyl]-

Pyridinium, 3-(aminocarbonyl)-1-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-, inner salt, P'→5'-ester with 1-β-D-ribofuranosyl-1H-benzimidazole

Uridine, 5-[[3',6'-bis(acetyloxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-

(5S,6S)-[5,5'':6,6''-Dicyclo]-(5R,6R)-5,6-dihydro-5-methyl-2'-O-methyluridylyl-(3'→5')-5,6-dihydro-5-methyl-2'-O-methyluridine

Uridine, 5-[[3',6'-bis(acetyloxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-5-yl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5-[[3',6'-bis(acetyloxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-

Uridine, 5-[[3',6'-bis(acetyloxy)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]ethynyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-, 3'-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

2'-Deoxy-3-methyl-3',5'-di-O-methyluridine

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-ethynyl-, 3'-(hydrogen butanedioate)

Thymidine, 2'-deoxy-5-ethynyluridylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-ethynyl-, 3'-(4-oxopentanoate)

Uridine, thymidylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-thymidylyl-(3'→5')-2'-deoxy-5-ethynyl-

2'-Deoxy-6-S-(1-methyl-4-nitro-1H-imidazol-5-yl)-6-thioguanosine

Cytidine, 5'-O-[ethoxy(4-nitrophenyl)methyl]-3'-C-ethynyl-

Cytidine, 3'-C-ethynyl-5'-O-[methoxy(4-nitrophenyl)methyl]-

Cytidine, 2',3'-O-[(S)-(3-aminophenyl)methylene]-3'-C-ethynyl-

Cytidine, 2',3'-O-[(S)-(4-aminophenyl)methylene]-3'-C-ethynyl-