all-trans-violaxanthin => (5R,6S)-5,6-epoxi-capsanthin
all-trans-violaxanthin => (5r,6s)-5,6-epoxi-capsanthin
all-trans-violaxanthin => (5R,6S)-5,6-epoxi-capsanthin
all-trans-violaxanthin => (5r,6s)-5,6-epoxi-capsanthin