10-hydroxy-pre-flavunoidine + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => pre-flavunoidine + reduced [NADPH--hemoprotein reductase] + O2
10-hydroxy-pre-flavunoidine + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => pre-flavunoidine + reduced [nadph--hemoprotein reductase] + o2