preferred_name: (3R,6R)-3-hydroxy-10'-apo-alpha-carotenal + (3R)-hydroxy-beta-ionone => lutein + O2
preferred_name_lc: (3r,6r)-3-hydroxy-10'-apo-alpha-carotenal + (3r)-hydroxy-beta-ionone => lutein + o2
label: (3R,6R)-3-hydroxy-10'-apo-alpha-carotenal + (3R)-hydroxy-beta-ionone => lutein + O2
label_lc: (3r,6r)-3-hydroxy-10'-apo-alpha-carotenal + (3r)-hydroxy-beta-ionone => lutein + o2