preferred_name: (2Z,4E)-2-hydroxyhexa-2,4-dienedioate <=> (3E)-2-oxohex-3-enedioate
preferred_name_lc: (2z,4e)-2-hydroxyhexa-2,4-dienedioate <=> (3e)-2-oxohex-3-enedioate
label: (2Z,4E)-2-hydroxyhexa-2,4-dienedioate <=> (3E)-2-oxohex-3-enedioate
label_lc: (2z,4e)-2-hydroxyhexa-2,4-dienedioate <=> (3e)-2-oxohex-3-enedioate