(2R,3S)-dihydrodehydrodiconiferyl alcohol + NADPH + H(+) => (S)-tetrahydrodehydrodiconiferyl alcohol + NADP(+)
(2r,3s)-dihydrodehydrodiconiferyl alcohol + nadph + h(+) => (s)-tetrahydrodehydrodiconiferyl alcohol + nadp(+)
(2R,3S)-dihydrodehydrodiconiferyl alcohol + NADPH + H(+) => (S)-tetrahydrodehydrodiconiferyl alcohol + NADP(+)
(2r,3s)-dihydrodehydrodiconiferyl alcohol + nadph + h(+) => (s)-tetrahydrodehydrodiconiferyl alcohol + nadp(+)