flavanones a flavanone 2,3-dihydroflavones 214.176 Wikipedia:Flavanone CHEBI:24038 chebi_ontology CHEBI:24054 MetaCyc:FLAVANONES CHEBI:28863 214.00548 CHEBI:13636 C15H2O2R10 O1C2=C(C(C(C1C3=C(C(=C(C(=C3*)*)*)*)*)*)=O)C(=C(C(=C2*)*)*)* 0 Members of the class of flavans with a 3,4-dihydro-2-aryl-2H-1-benzopyran-4-one skeleton and its substituted derivatives. flavans cyclic ketone