Give the Claisen ester condensation product of ethyl butanoate.

Explanation

To find the Claisen ester condensation product of ethyl butanoate, we can follow these steps:

### Step 1: Identify the Reactants
The first step is to identify the structure of ethyl butanoate. Ethyl butanoate is an ester with the following structure:
- Ethyl group: C2H5
- Butanoate part: CH3-CH2-CH2-COO

The complete structural formula for ethyl butanoate is:
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