PF-3758309, also known as PF-03758309, is a PAK4 inhibitor, is also a n orally bioavailable small-molecule inhibitor of p21-activated kinase 4 (PAK4) with potential antineoplastic activity.

Cernuoside B is a natural triterpenoid saponin that can be isolated from the roots of Pulsatilla koreana Nakai.

Sanggenon G is a cell-permeable and potent inhibitor of X-linked inhibitor of apoptosis protein (XIAP). Sanggenon G binds specifically to the BIR3 domain of XIAP with a binding affinity of 34.26 μM. Sanggenon G enhances caspase activation.