3,3′,8′-Trihydroxy-7,8-didehydro-β,κ-caroten-6′-one

3,3′,8′-Trihydroxy-7,8-didehydro-β,κ-caroten-6′-one

3,3′,8′-Trihydroxy-7,8-didéhydro-β,κ-carotén-6′-one

3,3′,8′-Trihydroxy-7,8-didehydro-β,κ-carotin-6′-on

β,κ-Caroten-6′-one, 7,8-didehydro-3,3′,8′-trihydroxy-

(2Z,4E,6E,8E,10E,12E,14E,16E)-3-hydroxy-1-(4-hydroxy-1,2,2-trimethylcyclopentyl)-19-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-4,8,13,17-tetramethylnonadeca-2,4,6,8,10,12,14,16-octaen-18-yn-1-one

(3R,3′S,5′R)-7,8-Didehydro-3,3′,8′-trihydroxy-β,κ-caroten-6′-one

7,8-Didehydro-3,3′,8′-trihydroxy-b,k-carotene-6′-one

Mytiloxanthin