(+)-dehydrodiconiferyl alcohol + NADPH + H(+) = (R)-isodihydrodehydrodiconiferyl alcohol + NADP(+)
(+)-dehydrodiconiferyl alcohol + nadph + h(+) = (r)-isodihydrodehydrodiconiferyl alcohol + nadp(+)
(+)-dehydrodiconiferyl alcohol + NADPH + H(+) = (R)-isodihydrodehydrodiconiferyl alcohol + NADP(+)
(+)-dehydrodiconiferyl alcohol + nadph + h(+) = (r)-isodihydrodehydrodiconiferyl alcohol + nadp(+)