N-[4-Chloro-7-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-5-(1-propyn-1-yl)-7H-pyrrolo[2,3-d]pyrimidin-2-yl]-2,2-dimethylpropanamide

Benzamide, N,N′-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidine-2,4-diyl]bis-

Benzamide, N,N′-[7-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-5-iodo-7H-pyrrolo[2,3-d]pyrimidine-2,4-diyl]bis-

Carbamic acid, [1-[(9-β-D-ribofuranosyl-9H-purin-6-yl)carbamoyl]pentamethylene]di-, dibenzyl ester, cyclic ethyl(carboxyamino)orthoacetate benzyl ester, ester with N2,N6-dicarboxy-L-lysine N2,N6-dibenzyl ester

Thymidine, 2′-deoxy-P,P-dithioadenylyl-(3′→5′)-P,P-dithiothymidylyl-(3′→5′)-P,P-dithiothymidylyl-(3′→5′)-

2′-Deoxy-P,P-dithioadenylyl-(3′→5′)-thymidine

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(phenylmethyl)-, 3′-(hydrogen butanedioate)

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(phenylmethyl)-