4-hydroxynonanal + NADP(+) <=> (E)-4-hydroxynon-2-enal + NADPH + H(+)
4-hydroxynonanal + nadp(+) <=> (e)-4-hydroxynon-2-enal + nadph + h(+)
4-hydroxynonanal + NADP(+) <=> (E)-4-hydroxynon-2-enal + NADPH + H(+)
4-hydroxynonanal + nadp(+) <=> (e)-4-hydroxynon-2-enal + nadph + h(+)