(-)-bursehernin + reduced [NADPH--hemoprotein reductase] + O2 = (-)-5'-demethylyatein + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
(-)-bursehernin + reduced [nadph--hemoprotein reductase] + o2 = (-)-5'-demethylyatein + oxidized [nadph--hemoprotein reductase] + h2o + h(+)
"bursehernin 5'-hydroxylase"
"bursehernin 5'-hydroxylase"