(2S,4S)-4-acetoxy-2-bromo-2,6,6-trimethylcyclohexanone
(1R,5R)-3,3,5-trimethyl-4-oxocyclohexyl acetate
(4S)-4-hydroxy-2,6,6-trimethyl-cyclohex-2-en-one
4(S)-2,6,6-trimethyl-4-[(trimethylsilyl)oxy]-cyclohex-2-en-1-one
(3-Methyl-2-penten-4-yn-1-yl)-trimethylsiylaether