has role has role independent continuant mancude organic heterotricyclic parent 5H-dibenzo[b,f]azepine 5H-dibenz[b,f]azepine A mancude organic heterotricyclic parent that consists of a seven-membered nitrogen hetrocycle fused with two benzene rings. iminostilbene 2,2'-iminostilbene o,o'-iminostilbene 5H-dibenzazepine 5H-Dibenz[b,f]azepin chebi_ontology dibenzazepine dibenz(b,f)azepine 2,3,6,7-dibenzazepine CHEBI:47802 dibenzoazepine marine xenobiotic metabolite