1,1-二氯-4,4-二甲基-2-戊炔

3-(diethylamino)-4,4-dimethylpent-2-enal

1-bromo-1-chloro-4,4-dimethylpent-2-yne

1,1-dibromo-4,4-dimethylpentyne-2

3-chloro-4,4-dimethylpent-2-enal