Term Name:	tetramic acid
Synonyms:	1,5-dihydro-4-hydroxy-2H-pyrrol-2-one, 4-hydroxy-1,3-dihydro-2H-pyrrol-2-one
Definition:	A gamma-lactam that is 1,3-dihydro-2H-pyrrol-2-one in which the hydrogen at position 4 has been replaced by a hydroxy group. Despite its simple structure, it was not synthesised until 1972; earlier attempts were later shown to have resulted only in the formation of the isomer 5-imino-4,5-dihydrofuran-3-ol.
Ontology:	ChEBI [CHEBI:141051]  ( EBI )