Term Name:	pyranonigrin A
Synonyms:	(7R)-3,7-dihydroxy-2-[(1E)-prop-1-en-1-yl]-6,7-dihydropyrano[2,3-c]pyrrole-4,5-dione
Definition:	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.
Ontology:	ChEBI [CHEBI:133779]  ( EBI )