The molecule is a member of the class of pyranopyrroles with formula C18H21NO4, originally isolated from Aspergillus niger. It has a role as an Aspergillus metabolite and a marine metabolite. It is a gamma-lactam, an enol, a pyranopyrrole and a cyclic ketone.
3-hydroxy-6-methyl-7-methylidene-2-[(1E,3E)-nona-1,3-dienyl]pyrano[2,3-c]pyrrole-4,5-dione