CH3-(CH3)C(CH3)-CH(C2H5)-CH2-CH2-CH2-CH3
CH2(CL)=C(CH3)-CH2-CH2 -CH3
C(CL)---C-CH(CH3)-CH2-CH3
CH2=C(CH3)-CH(C2H5)-(CH3)C(C2H5)-CH2-CH2-CH2-CH3
CH3-(CH3)C(CH3)-CH(C2H5)-CH2-CH2-CH2-CH3
CH2(CL)=C(CH3)-CH2-CH2 -CH3
C(CL)---C-CH(CH3)-CH2-CH3
CH2=C(CH3)-CH(C2H5)-(CH3)C(C2H5)-CH2-CH2-CH2-CH3