6-(Chloromethyl)-1-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 6-(chloromethyl)-2′-deoxy-, 3′,5′-bis(4-methylbenzoate)

6-(Chloromethyl)-3-(2-deoxy-β-D-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

2-Amino-5-bromo-3-(2-deoxy-β-D-erythro-pentofuranosyl)-6-methyl-4(3H)-pyrimidinone

Uridine, 5-chloro-2′-deoxy-6-methyl-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-(1-methylethyl)-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-ethyl-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-methyl-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Adenosine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[2-(4-nitrophenyl)ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-[2-(4-nitrophenyl)ethyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-butyl-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-(1-methylethyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-methyl-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-O-butyl-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-(1-methylethyl)-N-(2-methyl-1-oxopropyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]