Antherxanthin

cis-Antheraxanthin

(9Z)-5α,6α-Epoxy-5,6-dihydro-β,β-carotene-3β,3'β-diol

(3S,3'R,5R,6S,9Z)-5,6-Epoxy-5,6-dihydro-β,β-carotene-3,3'-diol