1.14.11.B18 isoliquiritigenin + 2-oxoglutarate + O2 hydroxylation in position 3, i.e. reaction of chalcone 3-hydroxylase Dahlia pinnata butein + succinate + CO2 - ? 443657 1.14.11.B18 naringenin chalcone + 2-oxoglutarate + O2 - Dahlia pinnata eriodictyol chalcone - ? 443794