1. H3C-CH(CH3)-CH(C2H5)-CH(CH3-CH-CH3)-CH2-CH2-CH2-CH3
2. H3C-CH(CH3)-CH2-C(C3H7)(H3C-CH-CH3)-CH(CH3)-CH2-CH3
3. H3C-CH2-CH(C2H5)-C(CH3-CH3-CH3-C)(CH3)-CH(C2H5)-CH2-CH2-CH3
4. H3C-CH2-C(CH3)=C(H3C-C-CH3)-CH2-CH2-CH2-CH3
5. H3C-C(CH3)=CH-CH(CH3)-CH2-CH3
6. H2C=C(C2H5)-CH2-CH2-CH(CH3)-CH3
1. H3C-CH(CH3)-CH(C2H5)-CH(CH3-CH-CH3)-CH2-CH2-CH2-CH3
2. H3C-CH(CH3)-CH2-C(C3H7)(H3C-CH-CH3)-CH(CH3)-CH2-CH3
3. H3C-CH2-CH(C2H5)-C(CH3-CH3-CH3-C)(CH3)-CH(C2H5)-CH2-CH2-CH3
4. H3C-CH2-C(CH3)=C(H3C-C-CH3)-CH2-CH2-CH2-CH3
5. H3C-C(CH3)=CH-CH(CH3)-CH2-CH3
6. H2C=C(C2H5)-CH2-CH2-CH(CH3)-CH3