label: episterol + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = 5-dehydroepisterol + 2 Fe(III)-[cytochrome b5] + 2 H2O
label_lc: episterol + 2 fe(ii)-[cytochrome b5] + o2 + 2 h(+) = 5-dehydroepisterol + 2 fe(iii)-[cytochrome b5] + 2 h2o