beta-myrcene + reduced [NADPH--hemoprotein reductase] + O2 => (4R)-ipsdienol + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
beta-myrcene + reduced [nadph--hemoprotein reductase] + o2 => (4r)-ipsdienol + oxidized [nadph--hemoprotein reductase] + h2o + h(+)