Write down structure of the following compounds:
4-cyano-4-ethylpentan-3-one

Explanation

To draw the structure of 4-cyano-4-ethylpentan-3-one, we will follow a systematic approach. Here are the steps to derive the structure:

### Step-by-Step Solution:

1. **Identify the Base Chain**:
- The name "pentan" indicates that the main carbon chain has 5 carbon atoms. The "ane" suffix means that all the bonds between the carbon atoms are single bonds.
- Therefore, we will start with a straight chain of 5 carbon atoms:
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