label: octadecanoate + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) => (R)-2-hydroxyoctadecanoate + 2 Fe(III)-[cytochrome b5] + H2O
label_lc: octadecanoate + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+) => (r)-2-hydroxyoctadecanoate + 2 fe(iii)-[cytochrome b5] + h2o