7,8-dihydro-7,8-dihydroxykynurenate + A => kynurenate + AH2 + O2
7,8-dihydro-7,8-dihydroxykynurenate + a => kynurenate + ah2 + o2
7,8-dihydro-7,8-dihydroxykynurenate + A => kynurenate + AH2 + O2
7,8-dihydro-7,8-dihydroxykynurenate + a => kynurenate + ah2 + o2