4-метилпентен-2: CH3-CH=CH-CH2-CH(CH3)22,3,4,5-тетраметилгексен-3: CH3-C(CH3)=C(CH3)-C(CH3)=C-CH2-CH33-этилпентен-2: CH3-CH2-CH2-CH=CH-CH2-CH3
4-метилпентен-2: CH3-CH=CH-CH2-CH(CH3)2
2,3,4,5-тетраметилгексен-3: CH3-C(CH3)=C(CH3)-C(CH3)=C-CH2-CH3
3-этилпентен-2: CH3-CH2-CH2-CH=CH-CH2-CH3