1	3L8	[(2-{[2-(6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](2-phosphonoethyl)amino}ethoxy)methyl]phosphonic acid	1.000
2	3L4	[(2-{[2-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl][(E)-2-phosphonoethenyl]amino}ethoxy)methyl]phosphonic acid	0.964
3	3L7	(2-{[2-(6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](2-{[(E)-2-phosphonoethenyl]oxy}ethyl)amino}ethyl)phosphonic acid	0.719
4	3L6	(2-{[2-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](3-aminopropyl)amino}ethyl)phosphonic acid	0.700
5	6WB	2-[[(2~{S})-2,3-bis(oxidanyl)propyl]-[2-(6-oxidanylidene-1~{H}-purin-9-yl)ethyl]amino]ethylphosphonic acid	0.700