1	75J	2-({2-[(3r)-3-aminopiperidin-1-yl]-3-(but-2-yn-1-yl)-4-oxo-3,4-dihydro-5h-imidazo[2,1-B]purin-5-yl}methyl)benzonitrile	1.000
2	75M	4-({2-[(3r)-3-aminopiperidin-1-yl]-3-(but-2-yn-1-yl)-4-oxo-3,4-dihydro-5h-imidazo[2,1-B]purin-5-yl}methyl)benzonitrile	0.886