2-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-nitro-2H-indazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-nitro-1H-indazole

5′-Adenylic acid, monoanhydride with 4-morpholinylphosphonic acid

3′-Uridylic acid, 5-bromo-2′,5′-bis(1-ethoxyethyl)-

Thymidine, 5′-O-trityl-, 3′-p-nitrobenzoate

Guanosine 5′-(trihydrogen diphosphate), cyclic 2′,3′-(hydrogen phosphate)

1,2,4-Triazine-3,5(2H,4H)-dione, 2-(2,5-di-O-acetyl-3-O-phosphono-β-D-ribofuranosyl)-, 5-(O-acetyloxime)

Cytidine, 2′,5′-bis-O-(1-ethoxyethyl)-, 3′-(dihydrogen phosphate)

Adenosine, N-acetyl-, 2′,5′-diacetate 3′-phosphate, ester with 2,3-dihydrothiophene-3-ol 1,1-dioxide

Thymidine, thymidylyl-(5′→3′)-thymidylyl-(5′→3′)-thymidylyl-(5′→3′)-thymidylyl-(5′→3′)-thymidylyl-(5′→3′)-5′-O-trityl-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-3-pyridinylthymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-2-pyridinylthymidylyl-(3′→5′)-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-

9-[2,3-Bis-O-(cyclopropylcarbonyl)-β-D-arabinofuranosyl]-6-methoxy-9H-purine

Adenosine, 2-[[[[[2-(dicyclobutylamino)ethyl]amino]carbonyl]amino]methyl]-N-(2,2-diphenylethyl)-

Adenosine, N-(2,2-diphenylethyl)-2-[[[3-(1-piperidinyl)propyl]amino]carbonyl]-

Adenosine, N-(2,2-diphenylethyl)-2-[[[2-[4-(1-methylethyl)-1-piperidinyl]ethyl]amino]carbonyl]-

Adenosine, 2-[[(cyclopentylmethyl)amino]methyl]-N-(2,2-diphenylethyl)-5′-O-methyl-

Adenosine, N-(2,2-diphenylethyl)-5′-O-methyl-2-[2-(propylamino)ethyl]-

Adenosine, N-(2,2-diphenylethyl)-5′-O-methyl-2-[[(1-methylethyl)amino]methyl]-