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