Ulixertinib (BVD-523, VRT752271) is an effective and reversible ERK1/ERK2 inhibitor. The IC50 of Ulixertinib is less than 0.3 nM for ERK2.

β-Defensin-4, human

Khellactone shows antitumor activity,it can suppress the growth of NCI-H460 tumor cells. (+)-4'-cis-Khellactone and (+)-3'-cis-khellactone have antiplasmodial activities, they show notable inhibitory activity against -sensitive strains of with IC(50) values from 1.5 and 2.4 microM.