preferred_name: (1E)-4-oxobut-1-ene-1,2,4-tricarboxylate + H(+) => 2-oxo-2H-pyran-4,6-dicarboxylate + H2O
preferred_name_lc: (1e)-4-oxobut-1-ene-1,2,4-tricarboxylate + h(+) => 2-oxo-2h-pyran-4,6-dicarboxylate + h2o
label: (1E)-4-oxobut-1-ene-1,2,4-tricarboxylate + H(+) => 2-oxo-2H-pyran-4,6-dicarboxylate + H2O
label_lc: (1e)-4-oxobut-1-ene-1,2,4-tricarboxylate + h(+) => 2-oxo-2h-pyran-4,6-dicarboxylate + h2o