Wortmannin is an organic heteropentacyclic compound, a delta-lactone, an acetate ester and a cyclic ketone. It has a role as an EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor, an anticoronaviral agent, a geroprotector, an autophagy inhibitor, a Penicillium metabolite, a radiosensitizing agent and an antineoplastic agent.