ChEBI: Pannarin is a member of the class of depsidones that is 11H-dibenzo[b,e][1,4]dioxepine substituted by methyl groups at positions 1,6 and 9, chloro group at position 2, hydroxy group at position 3, formyl group at position 4, methoxy group at position 8 and an oxo group at position 11. It is a lichen metabolite isolated from several Psoroma species. It has a role as a lichen metabolite, an apoptosis inducer, an antineoplastic agent and an antimicrobial agent. It is a member of depsidones, an organic heterotricyclic compound, an aldehyde, an organochlorine compound, a member of phenols and an aromatic ether.