Methanimidamide, N′-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-2,7-dihydro-2-oxo-1H-purin-6-yl]-N,N-dimethyl-

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-1,7-dihydro-6H-purin-6-one

7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,7-dihydro-6H-purin-6-one

Methanimidamide, N′-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-2,7-dihydro-2-oxo-1H-purin-6-yl]-N,N-dimethyl-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy](2-nitrophenyl)methyl]thymidylyl-(3′→5′)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[[[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]oxy]phenylmethyl]thymidylyl-(3′→5′)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 2′-deoxy-3′,5′-bis-O-(6,8-dimethyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(8-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(6-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(8-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(6-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-3′,5′-bis-O-(2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 3′,5′-bis-O-(6-chloro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-2′-deoxy-5-fluoro-

Uridine, 2′-deoxy-5′-O-(6,8-dimethyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-5-fluoro-

Uridine, 2′-deoxy-5-fluoro-5′-O-(8-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(6-methyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(8-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(6-methoxy-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 2′-deoxy-5-fluoro-5′-O-(2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Uridine, 5′-O-(6-chloro-2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)-2′-deoxy-5-fluoro-