8

9

11

10

1,4-dimethyl-2-cyclopentene

3,5-dimethylcyclopentene

2,4-dimethylcyclopentene

1,3-dimethyl-4-cyclopentene

 6-Ethyl-3-methylheptane

2-Ethyl-5-methylheptane

3,6-Dimethyloctane

2,5-Diethylhexane

2-methyl-5- methylene-heptane

 2-ethyl-5-methyl-1-hexene

2-ethyl-4-isopropyl-1-butene

3-methylene-6-methylheptane

2-Methy-3-isopropylpentane

2,4-dimethyl-3-ethylpentane

1,1-diisopropylpropane

3-Ethyl-2,4-dimethylpentane

10

11

8

9

1,4-dimethyl-2-cyclopentene

2,4-dimethylcyclopentene

3,5-dimethylcyclopentene

1,3-dimethyl-4-cyclopentene

2-methyl-5- methylene-heptane

 2-ethyl-5-methyl-1-hexene

3-methylene-6-methylheptane

2-ethyl-4-isopropyl-1-butene

 6-Ethyl-3-methylheptane

3,6-Dimethyloctane

2-Ethyl-5-methylheptane

2,5-Diethylhexane

3-Ethyl-2,4-dimethylpentane

2,4-dimethyl-3-ethylpentane

1,1-diisopropylpropane

2-Methy-3-isopropylpentane