(-)-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(+) => (s)-isodihydrodehydrodiconiferyl alcohol + nadp(+)