1) CH=-C-(CH2)3-CH3: hex−1−in
2) CH3-C=-C-(CH2)2−CH3: hex−2−in
3) CH3-CH2-C=-C−CH2-CH3: hex−3−in
4) CH=-C-CH(CH3)-CH2-CH3: 3−metylpent−1−in
5) CH=-C-CH2-CH(CH3)-CH3: 4−metylpent−1−in
6) CH3-C=-C-CH(CH3)-CH3: 4−metylpent−2−in
7) CH=-C-C(CH3)2-CH3: 3,3−đimetylbut−1−in