preferred_name: 7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
preferred_name_lc: 7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
label: 7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone
label_lc: 7,7',9,9'-tetra-cis-lycopene + 2 a quinol => 9,9'-di-cis-zeta-carotene + 2 a quinone