Pyrazinecarboxamide, 3,4-dihydro-3-oxo-6-phenyl-4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-

Pyrazinecarboxamide, 3,4-dihydro-6-methyl-3-oxo-4-β-D-ribofuranosyl-

Pyrazinecarboxamide, 3,4-dihydro-6-methyl-3-oxo-4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-

Pyrazinecarboxamide, 4-(5,6-dideoxy-6-phosphono-β-D-ribo-hexofuranosyl)-3,4-dihydro-3-oxo-

Pyrazinecarboxylic acid, 4-[2,3-di-O-benzoyl-5,6-dideoxy-6-(diethoxyphosphinyl)-β-D-ribo-hexofuranosyl]-3,4-dihydro-3-oxo-, methyl ester

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, methyl ester, 5′-ester with 3,4-dihydro-3-oxo-4-β-D-ribofuranosylpyrazinecarboxamide

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, methyl ester, ester with 3,4-dihydro-4-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3-oxopyrazinecarboxamide

4-[5-O-[Bis[(2,2-dimethyl-1-oxopropoxy)methoxy]phosphinyl]-β-D-ribofuranosyl]-3,4-dihydro-3-oxo-2-pyrazinecarboxamide

Pyrazinecarboxamide, 4-[5-O-[bis[(2,2-dimethyl-1-oxopropoxy)methoxy]phosphinyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 4-[5-deoxy-5-iodo-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 4-[5-O-[bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinyl]-β-D-ribofuranosyl]-6-chloro-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 4-[5-O-[bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6-chloro-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 6-chloro-3,4-dihydro-4-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3-oxo-

Pyrazinecarboxamide, 4-[5-O-[bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinyl]-β-D-ribofuranosyl]-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 4-[5-O-[bis[2-[(2,2-dimethyl-1-oxopropyl)thio]ethoxy]phosphinyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 3,4-dihydro-4-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3-oxo-

Uridine 5′-(trihydrogen diphosphate), P′-[2-deoxy-2-[[6-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-1-oxohexyl]amino]-α-D-galactopyranosyl] ester

1,9-Dihydro-9-[(3aR,4R,6R,6aR)-tetrahydro-2,2-dioxido-6-[(sulfooxy)methyl]furo[3,4-d]-1,3,2-dioxathiol-4-yl]-6H-purin-6-one

Inosine, 2′,3′-O-(1-methylethylidene)-, 5′-(hydrogen sulfate)

Thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidine