D-Phenylalanine, 5′-ester with 2′-deoxy-2′,2′-difluorocytidine

D-Valine, 5′-ester with 2′-deoxy-2′,2′-difluorocytidine

D-Phenylalanine, 3′-ester with 2′-deoxy-2′,2′-difluorocytidine

D-Valine, 3′-ester with 2′-deoxy-2′,2′-difluorocytidine

D-Phenylalanine, 3′,5′-diester with 2′-deoxy-2′,2′-difluorocytidine

L-Phenylalanine, 3′,5′-diester with 2′-deoxy-2′,2′-difluorocytidine

D-Valine, 3′,5′-diester with 2′-deoxy-2′,2′-difluorocytidine

L-Valine, 3′,5′-diester with 2′-deoxy-2′,2′-difluorocytidine

L-Lysine, 5′-ester with 2′-deoxy-5-fluorouridine

L-Aspartic acid, (1→5′)-ester with 2′-deoxy-5-fluorouridine

L-Lysine, 3′-ester with 2′-deoxy-5-fluorouridine

L-Aspartic acid, (1→3′)-ester with 2′-deoxy-5-fluorouridine

L-Lysine, 3′,5′-diester with 2′-deoxy-5-fluorouridine

L-Aspartic acid, 3′,5′-diester with 2′-deoxy-5-fluorouridine

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-de(phosphinicooxy)uridylylimino(3,4-dioxo-1-cyclobutene-1,2-diyl)imino-(2′→5′)-5′-deoxy-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 3′-deoxy-2′-de(phosphinicooxy)uridylylimino(3,4-dioxo-1-cyclobutene-1,2-diyl)imino-(2′→5′)-5′-deoxy-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-deoxy-2′-de(phosphinicooxy)uridylylimino(3,4-dioxo-1-cyclobutene-1,2-diyl)imino-(2′→5′)-5′-deoxy-

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,3′-dideoxy-2′-[(2-ethoxy-3,4-dioxo-1-cyclobuten-1-yl)amino]-

Uridine, 2′-amino-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′,3′-dideoxy-

Uridine 5′-(trihydrogen diphosphate), P′-[2-(acetylamino)-2,4-dideoxy-α-D-xylo-hexopyranosyl] ester