Inhibition of compounds Ia–t on ADP-induced platelet aggregation^a.

Compd	Inhibitionb (%)	Compd	Inhibitionb (%)
Ia	21.4	Ik	68.6
Ib	13.6	Il	85.4
Ic	40.8	Im	69.4
Id	7.8	In	70.3
Ie	15.2	Io	86.3
If	13.9	Ip	NAc
Ig	NAc	Iq	33.4
Ih	14.8	Ir	68.3
Ii	8.1	Is	76.8
Ij	5.3	It	29.3
Ticagrelor	92.7

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

^bDetection of inhibitory activity at a concentration of 10 μM.

^cNA: Not Active.