preferred_name: (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate => 2-hydroxychromene-2-carboxylate
preferred_name_lc: (3e)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate => 2-hydroxychromene-2-carboxylate
label: (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate => 2-hydroxychromene-2-carboxylate
label_lc: (3e)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate => 2-hydroxychromene-2-carboxylate