kynurenate + H2O => 4-(2-aminophenyl)-2,4-dioxobutanoate
kynurenate + h2o => 4-(2-aminophenyl)-2,4-dioxobutanoate
kynurenate + H2O => 4-(2-aminophenyl)-2,4-dioxobutanoate
kynurenate + h2o => 4-(2-aminophenyl)-2,4-dioxobutanoate