1	9YP	{[(2r)-2-[(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)methyl]-3-(2-phosphonoethoxy)propoxy]methyl}phosphonic acid	1.000
2	SV2	[{2-[(guanine-9-yl)methyl]propane-1,3-diyl}bis(oxymethylene)]bis(phosphonic acid)	0.719