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.

Anthracene-9-carboxylic acid is an inhibitor of chloride transport with a moderate to strong inhibitory action on PKA activated cardiac IcI.

Cuprizone is a copper chelator.Cuprizone is used to induce schizophrenia in mice.Cuprizone induces oligodendrocyte death and induces a demyelination response.