环十二酮

1,1'-cyclododecylidenebis[(3-methyl-3-butenyl)peroxide]

3甲基-6-(1-甲基乙基)-2-环己烯-1-酮

5-methyl-2-prop-1-en-2-ylhex-5-en-1-ol

6-甲基-6-庚烯-2-酮