VX-765 is a potent and selective inhibitor of caspase-1 with Ki of 0.8 nM in a cell-free assay.

Ac-DEVD-CHO is a potent and specific Caspase-3 inhibitor with Ki of 230 pM.

Q-VD-OPh is a potent pan-caspase inhibitor of caspases 1, 3, 8, and 9 with IC50 values of 50, 25, 100, and 430 nM, respectively, showing inhibitory effects on terminal caspase activation, substrate cleavage, and DNA ladder formation associated with apoptosis.