L-Valine, 5′-ester with 3,4-dihydro-3-oxo-4-β-D-ribofuranosylpyrazinecarboxamide

Pyrazinecarboxamide, 4-(5-O-benzoyl-β-D-ribofuranosyl)-3,4-dihydro-3-oxo-

Pyrazinecarboximidamide, 6-fluoro-3,4-dihydro-3-oxo-4-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

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

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 3,4-dihydro-3-oxo-4-β-D-ribofuranosylpyrazinecarboxamide

L-Valine, N-[(1,1-dimethylethoxy)carbonyl]-, 5′-ester with 3,4-dihydro-4-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-3-oxopyrazinecarboxamide

L-Aspartic acid, N-[[4-(5-O-acetyl-β-D-ribofuranosyl)-3,4-dihydro-3-oxopyrazinyl]carbonyl]-, diethyl ester

L-Aspartic acid, N-[[3,4-dihydro-3-oxo-4-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)pyrazinyl]carbonyl]-, diethyl ester

Pyrazinecarboxamide, N-(2,2-dimethyl-1-oxopropyl)-3,4-dihydro-3-oxo-4-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

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

Pyrazinecarboxylic acid, 3,4-dihydro-3-oxo-4-[2,3-O-(phenylmethylene)-β-D-ribofuranosyl]-, methyl ester

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

Pyrazinecarboxamide, N-acetyl-3,4-dihydro-3-oxo-4-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

Pyrazinecarboxamide, 4-(5-O-acetyl-β-D-ribofuranosyl)-3,4-dihydro-3-oxo-

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

Pyrazinecarboxamide, 3,4-dihydro-4-[5-O-[(4-hydroxybutoxy)carbonyl]-β-D-ribofuranosyl]-3-oxo-

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

Pyrazinecarboxamide, 4-(3-deoxy-β-D-erythro-pentofuranosyl)-3,4-dihydro-3-oxo-

Pyrazinecarboxamide, 4-(2-O-acetyl-5-O-benzoyl-3-deoxy-β-D-erythro-pentofuranosyl)-3,4-dihydro-3-oxo-

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