SMILES: C/C=C/C1=C(C(=O)C2=C(O1)[C@H](NC2=O)O)O
Description: The molecule is a member of the class of pyranopyrroles that is 2-[(1E)-prop-1-en-1-yl]-6,7-dihydropyrano[2,3-c]pyrrole-4,5-dione carrying two additional hydroxy substituents at positions 3 and 7. Originally isolated from Aspergillus niger. It has a role as an Aspergillus metabolite, a marine metabolite and an antioxidant. It is a pyranopyrrole, a gamma-lactam, an enol, a secondary alcohol and a cyclic ketone.