(6S,3'R)-6,3'-Dihydroxy-4,5,7',8'-tetradehydro-7,8-dihydro-beta,beta-carotene-3,8-dione 92121-55-6 Amarouciaxanthin B beta,epsilon-Carotene-3,6'-diol, 7,8-didehydro-7',8'-dihydro-3',8'-dioxo-, (3R,6'S)-