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