5-Fluoro-1,2-dihydro-N-methyl-1-β-D-ribofuranosyl-4-pyrimidinamine

9-(5-Deoxy-5-fluoro-β-D-ribofuranosyl)-9H-purine

1-Piperidinyloxy, 4-[[6-amino-9-[5-O-[hydroxy(phosphonooxy)phosphinyl]-β-D-ribofuranosyl]-9H-purin-8-yl]amino]-, P′→5′-ester with 3-(aminocarbonyl)-1-β-D-ribofuranosylpyridinium, inner salt

5′-Guanylic acid, 2′,3′-O-(1-methylethylidene)-, bis(2,2,2-tribromoethyl) ester

5′-Adenylic acid, 2′,3′-O-(1-methylethylidene)-, bis(2,2,2-tribromoethyl) ester

5′-Inosinic acid, 2′,3′-O-(1-methylethylidene)-6-thio-, bis(2,2,2-tribromoethyl) ester

5′-Inosinic acid, 2′,3′-O-(1-methylethylidene)-, bis(2,2,2-tribromoethyl) ester

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[1,3-dihydroxy-1,3-dioxido-6-[(1-oxohexadecyl)oxy]-9-oxo-2,4,8-trioxa-1,3-diphosphatetracos-1-yl]-β-D-arabinofuranosyl]-, (R)-

9H-Purin-6-amine, 9-[5-O-[1,3-dihydroxy-1,3-dioxido-6-[(1-oxohexadecyl)oxy]-9-oxo-2,4,8-trioxa-1,3-diphosphatetracos-1-yl]-β-D-arabinofuranosyl]-, (R)-

rel-Ethyl (3aR,5S,5aR,8aR,11S,11aS)-3a-ethyl-2,3,3a,9,10,11a-hexahydro-4,10-dioxo-5,11a-epoxy-1H,4H-pyrrolo[3,2,1-ij]thieno[2,3-h]quinoline-5(5aH)-carboxylate

rel-Ethyl (3aR,5S,5aR,8aS,11S,11aR)-3a-ethyl-2,3,3a,9,10,11a-hexahydro-4,10-dioxo-5,11a-epoxy-1H,4H-furo[2,3-h]pyrrolo[3,2,1-ij]quinoline-5(5aH)-carboxylate

rel-Ethyl (3aR,5S,5aR,10bS,13aR)-3a-ethyl-2,3,3a,11,12,13a-hexahydro-4,12-dioxo-5,13a-epoxy-1H,4H-benzofuro[2,3-h]pyrrolo[3,2,1-ij]quinoline-5(5aH)-carboxylate

Aspidospermidine-3-carboxylic acid, 3,19-epoxy-2-ethenyl-1-methyl-4,10-dioxo-, ethyl ester, (3α,19α)-(±)-

1-[2-O-[2,3-Bis[(1,4-dioxopentyl)oxy]propyl]-5-O-[bis(4-methoxyphenyl)phenylmethyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2-O-(2,3-dihydroxypropyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-3-[(2,4-dinitrophenyl)thio]-

2,4(1H,3H)-Pyrimidinedione, 3-[(2,4-dinitrophenyl)thio]-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

1-[2-O-(2,3-Dihydroxypropyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-[2,3-Bis[(1,4-dioxopentyl)oxy]propyl]-5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-O-[2,3-Bis[(1,4-dioxopentyl)oxy]propyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2-O-[2,3-bis[(1,4-dioxopentyl)oxy]propyl]-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-3-[(2,4-dinitrophenyl)thio]-