1) CH3-CH2-CH=C(CH3)-CH2-CH32) CH2=C(CH3)-CH2-CH2-CH33) CH3-CH=CH-CH(CH3)-CH34) CH3-CH2-CH=CH-CH2-CH35) CH3-CH=CH-CH2-CH(CH3)6) CH3-CH2-CH=C(CH3)-CH2-CH37) CH2=C(CH3)-CH2-CH2-CH38) CH3-CH=CH-CH(CH3)-CH39) CH3-CH2-CH=CH-CH2-CH310) CH3-CH=CH-CH2-CH(CH3)11) CH2=C(CH3)-CH(CH3)-CH(CH3)-CH312) CH2=C(CH2)-CH2-CH(CH3)-CH2-CH2-CH313) CH2=C(CH3)-CH(CH3)-CH2-CH2-CH314) CH3-CH2-CH=CH-CH=CH-CH2-CH(CH3)15) CH2=C(CH3)-CH(CH3)-CH(C(CH3)2)-CH316) CH2=C(CH3)-CH(CH3)-CH(CH3)-CH317) CH2=C(CH2)-CH2-CH(CH3)-CH2-CH2-CH318) CH2=C(CH3)-CH(CH3)-CH2-CH2-CH319) CH3-CH2-CH=CH-CH=CH-CH2-CH(CH3)20) CH2=C(CH3)-CH(CH3)-CH(C(CH3)2)-CH3
1) CH3-CH2-CH=C(CH3)-CH2-CH3
2) CH2=C(CH3)-CH2-CH2-CH3
3) CH3-CH=CH-CH(CH3)-CH3
4) CH3-CH2-CH=CH-CH2-CH3
5) CH3-CH=CH-CH2-CH(CH3)
6) CH3-CH2-CH=C(CH3)-CH2-CH3
7) CH2=C(CH3)-CH2-CH2-CH3
8) CH3-CH=CH-CH(CH3)-CH3
9) CH3-CH2-CH=CH-CH2-CH3
10) CH3-CH=CH-CH2-CH(CH3)
11) CH2=C(CH3)-CH(CH3)-CH(CH3)-CH3
12) CH2=C(CH2)-CH2-CH(CH3)-CH2-CH2-CH3
13) CH2=C(CH3)-CH(CH3)-CH2-CH2-CH3
14) CH3-CH2-CH=CH-CH=CH-CH2-CH(CH3)
15) CH2=C(CH3)-CH(CH3)-CH(C(CH3)2)-CH3
16) CH2=C(CH3)-CH(CH3)-CH(CH3)-CH3
17) CH2=C(CH2)-CH2-CH(CH3)-CH2-CH2-CH3
18) CH2=C(CH3)-CH(CH3)-CH2-CH2-CH3
19) CH3-CH2-CH=CH-CH=CH-CH2-CH(CH3)
20) CH2=C(CH3)-CH(CH3)-CH(C(CH3)2)-CH3