α-Azidothymidine-α-yl

[[4-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-2-oxo-5-pyrimidinyl]methyl]amidogen

[[1-(2-Deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methyl]amidogen

Cytidine, 5-(1-azidoethenyl)-2′-deoxy-, 2′,3′-diacetate

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-ethoxyethyl)-5-methyl-

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

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-ethoxyethyl)-N-(2-methyl-1-oxopropyl)-

2′-O-(2-Ethoxyethyl)-N-(2-methyl-1-oxopropyl)guanosine

Adenosine, 2-amino-2′-O-(2-ethoxyethyl)-

2′-O-(2-Ethoxyethyl)guanosine

3′-[4-(2-Carboxyethyl)-4-methyl-3,5-dioxo-1-cyclopenten-1-yl]-3′-deoxythymidine

3′-[5-(2-Carboxyethyl)-5,6-dihydro-6-hydroxy-5-methyl-4-oxo-1(4H)-cyclopentatriazolyl]-3′-deoxythymidine