abieta-7,13-dien-18-ol + reduced [NADPH--hemoprotein reductase] + O2 => abieta-7,13-dien-18,18-diol + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
abieta-7,13-dien-18-ol + reduced [nadph--hemoprotein reductase] + o2 => abieta-7,13-dien-18,18-diol + oxidized [nadph--hemoprotein reductase] + h2o + h(+)