3-prop-1-en-2-ylcyclohex-2-en-1-one

2-(1-丙烯-2-基)苯并[d]噁唑

2,5,7-trimethyloct-7-en-4-one

2-methyldec-1-en-3-one

2,4-dimethyldodec-1-en-5-one