preferred_name: 1'-hydroxy-gamma-carotene + A <=> 1'-hydroxytorulene + AH2
preferred_name_lc: 1'-hydroxy-gamma-carotene + a <=> 1'-hydroxytorulene + ah2
label: 1'-hydroxy-gamma-carotene + A <=> 1'-hydroxytorulene + AH2
label_lc: 1'-hydroxy-gamma-carotene + a <=> 1'-hydroxytorulene + ah2