a (2R,3S,4S)-leucoanthocyanidin + NADP(+) <=> a (2R,3R)-dihydroflavonol + NADPH + H(+)
a (2r,3s,4s)-leucoanthocyanidin + nadp(+) <=> a (2r,3r)-dihydroflavonol + nadph + h(+)
a (2R,3S,4S)-leucoanthocyanidin + NADP(+) <=> a (2R,3R)-dihydroflavonol + NADPH + H(+)
a (2r,3s,4s)-leucoanthocyanidin + nadp(+) <=> a (2r,3r)-dihydroflavonol + nadph + h(+)