alpha-ionone
4-(3-hydroxy-2,6,6-trimethylcyclohex-1-enyl)but-3-en-2-one
vinylmagnesium chloride
5-(2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-3-hydroxy-1,4-pentadiene
(2E,4E)-<5-(2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadien-1-yl>triphenylphosphonium bromide
C51H52OP2(2+)*2Br(1-)
[(E)-2-Methoxy-3-methyl-5-(2,6,6-trimethyl-3-oxo-cyclohex-1-enyl)-pent-3-enyl]-triphenyl-phosphonium; perchlorate
canthaxanthin