Term Name:	penicillenic acid
Synonyms:	Penicillenic acid, penicillenic acids
Definition:	A compound formed spontaneously from a penicillin in aqueous solution via a rearrangement which involves fission of the beta-lactam ring, formation of an oxazolone ring and cleavage of the thiazolidine ring to generate a free sulfhydryl group.
Ontology:	ChEBI [CHEBI:7960]  ( EBI )