Astaxanthin

Chemical Name: (6S,6'S)-3,3'-((1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl)bis(6-hydroxy-2,4,4-trimethylcyclohex-2-en-1-one)

Smile: CC(C[C@@H]1O)(C(/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(/C=C/C=C(/C=C/C(C(C[C@@H]2O)(C)C)=C(C2=O)C)C)C)=C(C1=O)C)C