Periplocin is a cardiotonic steroid isolated from Periploca forrestii. Periplocin promotes tumor cell apoptosis and inhibits tumor growth. Periplocin has the potential to facilitate wound healing through the activation of Src/ERK and PI3K/Akt pathways mediated by Na/K-ATPase .

SB-202190 is a highly selective, potent and cell-permeable inhibitor of p38 MAP kinase with IC50 values of 50 nM and 100 nM for p38α and p38β respectively; also shows slightly weaker activity for BRD4 (Kd=3.4 μM).

MK-0591 is a selective and specific 5-Lipoxygenase-activating protein (FLAP) inhibitor with an IC50 value of 1.6 nM in a FLAP binding assay.