Term Name:	isobrucein A
Synonyms:	methyl (1beta,11beta,12alpha,15beta)-1,11,12-trihydroxy-15-[(3-methylbutanoyl)oxy]-2,16-dioxo-13,20-epoxypicras-3-en-21-oate
Definition:	A quassinoid consisting of a heteropentacyclic skeleton containing a delta-lactone moiety which is substituted at the alpha-carbon by a 3-methylbutanoyloxy group.
Ontology:	ChEBI [CHEBI:5987]  ( EBI )