The IC₅₀ for selected compounds which inhibit ADP-induced platelet aggregation^a.

Compd	IC50 (μM)	Compd	IC50 (μM)
Ia	4.89	IIg	0.67
Ic	3.16	IIh	0.20
In	1.78	IIi	0.78
Io	0.82	IIl	1.30
IIe	0.58	IIr	0.66
IIf	0.45	IIu	0.40
Ticagrelor	0.74

^aADP-induced platelet aggregation ([ADP] = 10 μM).