5>CH2CHCH2—C≡CH4甲基-1-戈炔 6> CH CHCH2≡CHCH34甲基2戈炔 CH CH 7>CH3C-C≡CH3,3-二甲基1-丁炔5> CH3CHCH2 —C≡ CH 4-甲基-1-戊炔 7> CH3 — C — C≡ CH 3，3-二甲基-1-丁炔 CH3 CH3 CH3 6> CH3CHCH2 ≡ CH CH3 4-甲基-2-戊炔 CH3