preferred_name: (2Z,4Z)-2-hydroxyhepta-2,4-diene-1,7-dioate => (4Z)-2-oxohept-4-enedioate
preferred_name_lc: (2z,4z)-2-hydroxyhepta-2,4-diene-1,7-dioate => (4z)-2-oxohept-4-enedioate
label: (2Z,4Z)-2-hydroxyhepta-2,4-diene-1,7-dioate => (4Z)-2-oxohept-4-enedioate
label_lc: (2z,4z)-2-hydroxyhepta-2,4-diene-1,7-dioate => (4z)-2-oxohept-4-enedioate