9 structural isomers can be drawn for isoheptane (C₇H₁₆). They are listed below along with their structural formula.

1. 2-methyl hexane (isoheptane)

2. n-heptane

3. 3-methyl hexane

4. 2,2-dimethyl pentane

5. 2,3-dimethyl pentane

6. 2,4-dimethyl pentane

7. 3,3-dimethyl pentane

8. 2,2,3-trimethyl butane

9. 3-ethyl pentane