Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-

Thymidine, 3′-O-[(1H-benzotriazol-1-yloxy)(2-cyanoethoxy)phosphino]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(2-cyanoethyl 2,4-dinitrophenyl phosphite)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[4-nitro-6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[(6-nitro-1H-benzotriazol-1-yl)oxy]phosphino]-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Guanosine, 3′-O-[(1H-benzotriazol-1-yloxy)(2-cyanoethoxy)phosphino]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(2-cyanoethyl 2,4-dinitrophenyl phosphite)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[4-nitro-6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[(6-nitro-1H-benzotriazol-1-yl)oxy]phosphino]-2′-deoxy-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Cytidine, 3′-O-[(1H-benzotriazol-1-yloxy)(2-cyanoethoxy)phosphino]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

Thymidine, thymidylyl-(3′→N)-2′-deoxycytidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→N)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-2′-deoxycytidylyl-(3′→5′)-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(2-cyanoethyl 2,4-dinitrophenyl phosphite)

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[4-nitro-6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[(6-nitro-1H-benzotriazol-1-yl)oxy]phosphino]-2′-deoxy-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[(2-cyanoethoxy)[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphino]-2′-deoxy-

Adenosine, 3′-O-[(1H-benzotriazol-1-yloxy)(2-cyanoethoxy)phosphino]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

D-Streptamine, O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→6)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→4)]-2-deoxy-, 2′′→5′ ester with 3-(5-O-phosphono-β-D-ribofuranosyl)-3H-imidazo[2,1-i]purine