1	RBV	1-(beta-D-ribofuranosyl)-1h-1,2,4-triazole-3-carboxamide	1.000
2	R1Y	1-beta-D-ribofuranosyl-1h-1,2,4-triazole-3-carboximidamide	0.889
3	MZR	5-hydroxy-1-(beta-D-ribofuranosyl)-1h-imidazole-4-carboxamide	0.842
4	RVP	Ribavirin monophosphate	0.727