4-Hydroxy-4-[(E)-5-(1-methoxy-1-methyl-ethoxy)-3-methyl-pent-3-en-1-ynyl]-3,5,5-trimethyl-cyclohex-2-enone
(3'E)-4-hydroxy-4-(5'-hydroxy-3'-methyl-3'-penten-1'-inyl)-3,5,5-trimethyl-2-cyclohexen-1-on
5-(1-methoxy-1-methylethoxy)-3-methyl-3E-penten-1-yne
(1'E,3'E)-4-(5'-hydroxy-3'-methyl-1',3'-pentadienyl)-3,5,5-trimethyl-2-cyclohexen-1-on
3,3'-di-keto-β-carotene
3,7,12,16-tetramethyl-1,18-bis(2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-1,3,5,7,9,11,13,15,17-octadecanonaene
4',5'-didehydro-4,5'-retro-β,β-carotene-3,3'-dione
<(2'E,4'E)-5'-(2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3'-methyl-2',4'-pentadienyl>triphenylphosphonium chloride