5,5-dimethyl-4-methylidene-1-trimethylsilylhex-1-en-3-one

3-hydroxy-3,4,4-trimethylpentan-2-one

(E)-1-(3,4-dichlorophenyl)-4,4-dimethylpent-1-en-3-one

2,2,3,6,7,7-hexamethyloct-4-yne-3,6-diol

(3S)-3,4,4-trimethylpent-1-yn-3-ol