preferred_name: 4,9-dimethyldodeca-2,4,6,8,10-pentaenedial + 2 (3R)-hydroxy-beta-ionone => all-trans-zeaxanthin + 2 O2
preferred_name_lc: 4,9-dimethyldodeca-2,4,6,8,10-pentaenedial + 2 (3r)-hydroxy-beta-ionone => all-trans-zeaxanthin + 2 o2
label: 4,9-dimethyldodeca-2,4,6,8,10-pentaenedial + 2 (3R)-hydroxy-beta-ionone => all-trans-zeaxanthin + 2 O2
label_lc: 4,9-dimethyldodeca-2,4,6,8,10-pentaenedial + 2 (3r)-hydroxy-beta-ionone => all-trans-zeaxanthin + 2 o2