1(2H)-Pyrimidinebutanoic acid, α-[[[[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]amino]acetyl]amino]-3,6-dihydro-2,6-dioxo-3-β-D-ribofuranosyl-

1(2H)-Pyrimidinebutanoic acid, 3,6-dihydro-α-[[(1-naphthalenyloxy)acetyl]amino]-2,6-dioxo-3-β-D-ribofuranosyl-

1(2H)-Pyrimidinebutanoic acid, 3,6-dihydro-2,6-dioxo-α-[(phenoxyacetyl)amino]-3-β-D-ribofuranosyl-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-P-deoxythymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-P-deoxythymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-P-deoxythymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-(4-chlorophenyl)-P-deoxythymidylyl-(3′→5′)-

Thymidine, thymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-phenylthymidylyl-(3′→5′)-

Guanosine, 8-(4-phenyl-1-piperazinyl)-

Adenosine, 8-[(2-quinolinylmethylene)hydrazino]-

Uridine 5′-(trihydrogen diphosphate), P′→7-ester with 2,6-anhydro-6-C-(hydroxymethyl)-D-glycero-L-galacto-heptitol

[(2R,3R,3aS,9aR)-2,3,3a,9a-Tetrahydro-6-imino-3-[(1-oxoundecyl)oxy]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-2-yl]methyl undecanoate

2-(2-O-Phosphono-β-D-ribofuranosyl)-3(2H)-pyridazinone

Guanosine, 5′-deoxy-5′-(2,6-dimethylpyridinio)-2′,3′-O-(1-methylethylidene)-

Coenzyme A, S-hexadecanoate, (S)-

3H-Imidazo[2,1-i]purine, 3-[5-S-[(3S)-3-amino-3-carboxypropyl]-5-thio-β-D-ribofuranosyl]-

Guanosine, 5′→P′-ester with [P′(S)]-thiodiphosphoric acid ((HO)2P(O)OP(O)(OH)(SH))