3,3',4,4'-Tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-ψ,ψ-carotene

ChEBI: 2,2'-dioxospirilloxanthin is a carotenoid ether that is (3E,3'E)-1,1'-dihydroxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene-2,2'-dione in which both hydroxyl hydrogens are substituted by methyl groups. It is a carotenoid ether and a carotenone.