(4Z)-2-oxohept-4-enedioate => (2Z,4Z)-2-hydroxyhepta-2,4-diene-1,7-dioate
(4z)-2-oxohept-4-enedioate => (2z,4z)-2-hydroxyhepta-2,4-diene-1,7-dioate
(4Z)-2-oxohept-4-enedioate => (2Z,4Z)-2-hydroxyhepta-2,4-diene-1,7-dioate
(4z)-2-oxohept-4-enedioate => (2z,4z)-2-hydroxyhepta-2,4-diene-1,7-dioate