label: a 3'-unsubstituted flavone + reduced [NADPH--hemoprotein reductase] + O2 = a 3'-hydroxyflavone + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: a 3'-unsubstituted flavone + reduced [nadph--hemoprotein reductase] + o2 = a 3'-hydroxyflavone + oxidized [nadph--hemoprotein reductase] + h2o + h(+)