preferred_name: all-trans-3,4-didehydrolycopene + AH2 => all-trans-lycopene + A
preferred_name_lc: all-trans-3,4-didehydrolycopene + ah2 => all-trans-lycopene + a
label: all-trans-3,4-didehydrolycopene + AH2 => all-trans-lycopene + A
label_lc: all-trans-3,4-didehydrolycopene + ah2 => all-trans-lycopene + a