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(+) => 8-hydroxycasbene + reduced [nadph--hemoprotein reductase] + o2