preferred_name: 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate = xanthurenate + H2O
preferred_name_lc: 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate = xanthurenate + h2o
label: 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate = xanthurenate + H2O
label_lc: 4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoate = xanthurenate + h2o