1	6WB	2-[[(2~{S})-2,3-bis(oxidanyl)propyl]-[2-(6-oxidanylidene-1~{H}-purin-9-yl)ethyl]amino]ethylphosphonic acid	1.000
2	3L6	(2-{[2-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](3-aminopropyl)amino}ethyl)phosphonic acid	0.846
3	1I4	(R)-N-(1-(6-amino-9h-purin-9-yl)propan-2-yl)-N-(2-phosphonoethyl)glycine	0.778
4	6W9	2-[2-(6-oxidanylidene-1~{H}-purin-9-yl)ethyl-(4-phosphonobutyl)amino]ethylphosphonic acid	0.759
5	3L8	[(2-{[2-(6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](2-phosphonoethyl)amino}ethoxy)methyl]phosphonic acid	0.700