Try This:

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Create IUPAC names forth the following structures:

1. 
   
   
2. 
   
   
3. 
   
   
4. 

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Applying the IUPAC rules that are describe in Section 4.4 of Raymond to these structures:

1. 
   
   
   2-methylhexane
   
   
2. 
   
   
   3-ethyl-2-methylpentane
   
   
3. 
   
   
   2,2,3-trimethylpentane
   
   
   
4. 
   
   
   4-ethyl-4-isopropyloctane

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