label: 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol + AH2 + O2 = 3-demethylubiquinol-8 + A + H2O
label_lc: 6-methoxy-3-methyl-2-all-trans-octaprenyl-1,4-benzoquinol + ah2 + o2 = 3-demethylubiquinol-8 + a + h2o