1	EMA	(adenin-9-yl-ethoxymethyl)-hydroxyphosphinyl-diphosphate	1.000
2	TNV	[2-(6-amino-9h-purin-9-yl)-1-methylethoxy]methyl-triphosphate	0.963
3	EOI	[[(2r)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethyl-sulfanyl-phosphoryl] phosphono hydrogen phosphate	0.893
4	TNM	[(2r)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethyl-phosphonooxy-phosphinic acid	0.750