1-[2,3-Di-O-benzoyl-5-deoxy-5-(diethoxyphosphinyl)-β-D-ribofuranosyl]-5-hydroxy-1H-imidazole-4-carboxamide

1-[5-Deoxy-5-(hydroxyphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-(5-Deoxy-5-phosphono-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

1-[2,3-Di-O-benzoyl-5-deoxy-5-(diethoxyphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-(2,3-Di-O-benzoyl-5-deoxy-5-iodo-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

1-[5-O-(Hydroxyphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-O-(Fluorohydroxyphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[2,3-Di-O-benzoyl-5-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-Deoxy-5-[(phosphonomethyl)amino]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-Deoxy-5-[[(diethoxyphosphinyl)methyl]amino]-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1H-1,2,4-Triazole-3-carboxamide, 1-[5-S-(hydroxymercaptophosphinyl)-5-thio-β-D-ribofuranosyl]-

1-(5-Deoxy-5-sulfo-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

1-(5-Deoxy-5-iodo-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

1H-1,2,4-Triazole-3-carboxamide, 1-[5-S-(phosphonomethyl)-5-thio-β-D-ribofuranosyl]-

1-[5-S-(Hydroxymethylphosphinyl)-5-thio-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1H-1,2,4-Triazole-3-carboxamide, 1-[5-S-(hydroxymethylphosphinyl)-2,3-O-(1-methylethylidene)-5-thio-β-D-ribofuranosyl]-

1-[5-O-(Phosphonomethyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

Methyl 1-[5-O-[(diethoxyphosphinyl)methyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxylate

1-[5-O-(Hydroxyphenylphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide

1-[5-O-(Ethenylhydroxyphosphinyl)-β-D-ribofuranosyl]-1H-1,2,4-triazole-3-carboxamide