preferred_name: (1E)-4-oxobut-1-ene-1,2,4-tricarboxylate => (3Z)-2-oxo-4-carboxy-3-hexenedioate
preferred_name_lc: (1e)-4-oxobut-1-ene-1,2,4-tricarboxylate => (3z)-2-oxo-4-carboxy-3-hexenedioate
label: (1E)-4-oxobut-1-ene-1,2,4-tricarboxylate => (3Z)-2-oxo-4-carboxy-3-hexenedioate
label_lc: (1e)-4-oxobut-1-ene-1,2,4-tricarboxylate => (3z)-2-oxo-4-carboxy-3-hexenedioate