(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-enone); 3,3’-Dihydroxy-?,?-carotene-4,4’-dione; 3,3’-Dhydroxy-4,4’-diketo-?-carotene; Ovoester
