obsolete 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol hydroxylase activity (obsolete GO:0043719)
OBSOLETE. Catalysis of the reaction: 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol + O2 + H+ = 2-octaprenyl-3-methyl-5-hydroxy-6-methoxy-1,4-benzoquinol + H2O.