8-hydroxycasbene + reduced [NADPH--hemoprotein reductase] + O2 => 4,8-dihydroxycasbene + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
8-hydroxycasbene + reduced [nadph--hemoprotein reductase] + o2 => 4,8-dihydroxycasbene + oxidized [nadph--hemoprotein reductase] + h2o + h(+)
8-hydroxycasbene + reduced [NADPH--hemoprotein reductase] + O2 => 4,8-dihydroxycasbene + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
8-hydroxycasbene + reduced [nadph--hemoprotein reductase] + o2 => 4,8-dihydroxycasbene + oxidized [nadph--hemoprotein reductase] + h2o + h(+)