1	AC2	9-hyroxyethoxymethylguanine	1.000
2	GA2	9-(1,3-dihydroxy-propoxymethane)guanine	0.889
3	9MG	9-methylguanine	0.750
4	LGP	N9-1-hydroxy-prop-2-oxymethyl-guanine-3'-monophosphate	0.727
5	4DG	2-[(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)methoxy]ethyl dihydrogen phosphate	0.714
6	NDM	7,9-dimethylguanine	0.706