butan-2-one + NADH + O2 + H(+) <=> 1-hydroxy-2-butanone + NAD(+) + H2O
butan-2-one + nadh + o2 + h(+) <=> 1-hydroxy-2-butanone + nad(+) + h2o
butan-2-one + NADH + O2 + H(+) <=> 1-hydroxy-2-butanone + NAD(+) + H2O
butan-2-one + nadh + o2 + h(+) <=> 1-hydroxy-2-butanone + nad(+) + h2o