Sidnyaxanthin

amarouciaxanthin B

(3R,6'S)-7,8-Didehydro-7',8'-dihydro-3',8'-dioxo-β,ε-carotene-3,6'-diol

(3R,6'S)-7,8-Didehydro-7',8'-dihydro-3,6'-dihydroxy-3',8'-dioxo-β,ε-carotene