... -CAROTENE;(all-E)-1,1'-(3,7,12,16-Tetramethyl-1,3,5,7,9,11,13,15,17-octadecanonaene-1,18-diyl ... )bis(2,6,6-trimethylcyclohexene);1,1’-(3,7,12,16-tetramethyl ... -1,3,5,7,9,11,13,15,17-octadecanonaene-cyclohexen;1,3,5,7,9,11,13,15,17 ... -Octadecanonene,3,7,12,16-tetramethyl-1 ...