Term Name:	4-carboxy-2-hydroxymuconate semialdehyde hemiacetal(2-)
Synonyms:	2-hydroxy-2H-pyran-4,6-dicarboxylate, 4-carboxy-2-hydroxymuconate semialdehyde hemiacetal
Definition:	A dicarboxylic acid dianion arising from deprotonation of both carboxy groups of 4-carboxy-2-hydroxymuconate semialdehyde hemiacetal; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:61985]  ( EBI )