xanthurenate + H2O => 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate
xanthurenate + h2o => 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate
xanthurenate + H2O => 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate
xanthurenate + h2o => 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate