1 2X6 7-{[(1r,2s)-2-aminocyclohexyl]amino}-5-(1h-indol-7-ylamino)pyrido[4,3-D]pyrimidin-4(3h)-one 1.000 2 7KF 2-{[(1r,2s)-2-aminocyclohexyl]amino}-4-[(3-methylphenyl)amino]-6,7-dihydro-5h-pyrrolo[3,4-D]pyrimidin-5-one 0.719