flavans 0 195.99491 196.16 C15OR14 CHEBI:38672 Any flavonoid with a 3,4-dihydro-2-aryl-2<em>H</em>-1-benzopyran skeleton and its substituted derivatives. chebi_ontology *c1c(*)c(*)c(C2(*)Oc3c(*)c(*)c(*)c(*)c3C(*)(*)C2(*)*)c(*)c1* flavonoid