1	43S	6-(5-bromo-1-benzofuran-7-yl)-9h-purin-2-amine	1.000
2	6PB	6-(3-bromophenyl)-7h-purin-2-amine	0.850
3	43U	6-(5-bromo-2-methoxyphenyl)-9h-purin-2-amine	0.773