(S)-isodihydrodehydrodiconiferyl alcohol + NADP(+) => (-)-dehydrodiconiferyl alcohol + NADPH + H(+)
(s)-isodihydrodehydrodiconiferyl alcohol + nadp(+) => (-)-dehydrodiconiferyl alcohol + nadph + h(+)
(S)-isodihydrodehydrodiconiferyl alcohol + NADP(+) => (-)-dehydrodiconiferyl alcohol + NADPH + H(+)
(s)-isodihydrodehydrodiconiferyl alcohol + nadp(+) => (-)-dehydrodiconiferyl alcohol + nadph + h(+)