Zingiberen newsaponin is a steroidal saponin from Dioscorea zingiberensis.

Niranthin is a potent anti-leishmanial agent, inhibits the relaxation activity of heterodimeric type IB topoisomerase of L. donovani and acts as a non-competitive inhibitor interacting with both subunits of the enzyme. Niranthin also exhibits anti-hepatitis B virus, antiinflammatory and antiallodynic actions.

Ferulamide (4-Hydroxy-3-methoxycinnamide), a Ferulic acid derivative, shows potent inhibitory activity against arachidonic acid-induced platelet aggregation.

Scutellarein tetramethyl ether (4',5,6,7-Tetramethoxyflavone) is extracted from Siam weeds and demonstrates anti-inflammatory activity via the NF-κB pathway.

(-)-Denudatin B (Denudatin B) is derived from Magnolia fargesii. (-)-Denudatin B has nonspecific antiplatelet action at high concentration by inhibiting phosphoinositides breakdown induced by collagen and thrombin.

Yangambin is a selective antagonist of the cardiovascular effects of platelet activating factor (PAF); it has hypotensive effect, which is probably due to a peripheral vasodilatation that involves, at least, the inhibition the Ca2+ influx through voltage-gated Ca2+ channels. Yangambin also has central nervous system activity.

Tulopafant (RP 59227) is a potent platelet-activating factor (PAF) antagonist that increases capillary patency and prolongs allograft heart survival.