5-甲基-1,4-己二烯-3-酮

3-(2-methylhex-5-en-3-yn-2-yloxy)propanenitrile

3-dimethoxyphosphoryl-5-methylhexa-1,3,4-triene

5-methoxy-5-methylhex-1-en-3-yne

5-chloro-5-methylhex-1-en-3-yne