1	519	1-(trans-4-{[7-oxo-8-(propan-2-yl)-7,8-dihydropyrido[2,3-D]pyrimidin-2-yl]amino}cyclohexyl)-3-propan-2-ylurea	1.000
2	4F2	1-{trans-4-[(8-cyclopentyl-7-oxo-7,8-dihydropyrido[2,3-D]pyrimidin-2-yl)amino]cyclohexyl}-3-propan-2-ylurea	0.758