4-sulfobenzoate + NADH + O2 => 3,4-dihydroxybenzoate + sulfite + NAD(+)
4-sulfobenzoate + nadh + o2 => 3,4-dihydroxybenzoate + sulfite + nad(+)
4-sulfobenzoate + NADH + O2 => 3,4-dihydroxybenzoate + sulfite + NAD(+)
4-sulfobenzoate + nadh + o2 => 3,4-dihydroxybenzoate + sulfite + nad(+)