1	4GT	4-amino-2-(cyclopentylamino)pyrimidine-5-carboxamide	1.000
2	4GO	6-(cyclopentylamino)pyridine-3-carboxamide	0.824
3	EFW	6-{[(1r,3r)-3-hydroxycyclopentyl]amino}pyridine-3-carboxamide	0.778
4	4H3	6-{[(1r,3s,4r)-3-hydroxy-4-(hydroxymethyl)cyclopentyl]amino}pyridine-3-carboxamide	0.700