preferred_name: (2S)-2-hydroxy-4-oxobutane-1,2,4-tricarboxylate => (3Z)-2-oxo-4-carboxy-3-hexenedioate + H2O
preferred_name_lc: (2s)-2-hydroxy-4-oxobutane-1,2,4-tricarboxylate => (3z)-2-oxo-4-carboxy-3-hexenedioate + h2o
label: (2S)-2-hydroxy-4-oxobutane-1,2,4-tricarboxylate => (3Z)-2-oxo-4-carboxy-3-hexenedioate + H2O
label_lc: (2s)-2-hydroxy-4-oxobutane-1,2,4-tricarboxylate => (3z)-2-oxo-4-carboxy-3-hexenedioate + h2o