catechol + FAD + H2O + H(+) => phenol + FADH2 + O2
catechol + fad + h2o + h(+) => phenol + fadh2 + o2
catechol + FAD + H2O + H(+) => phenol + FADH2 + O2
catechol + fad + h2o + h(+) => phenol + fadh2 + o2