1	3L4	[(2-{[2-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl][(E)-2-phosphonoethenyl]amino}ethoxy)methyl]phosphonic acid	1.000
2	3L8	[(2-{[2-(6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](2-phosphonoethyl)amino}ethoxy)methyl]phosphonic acid	0.964
3	3L6	(2-{[2-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl](3-aminopropyl)amino}ethyl)phosphonic acid	0.733
4	3L5	(2-{[2-(2-amino-6-oxo-3,6-dihydro-9h-purin-9-yl)ethyl][2-(2-phosphonoethoxy)ethyl]amino}ethyl)phosphonic acid	0.727
5	3L3	[(E)-2-(2-{[2-(2-amino-8-bromo-6-oxo-1,6-dihydro-9h-purin-9-yl)ethyl][(E)-2-phosphonoethenyl]amino}ethoxy)ethenyl]phosphonic acid	0.706