Write down structure of the following compounds:
2-methyl-2-pentenal

Explanation

To write down the structure of 2-methyl-2-pentenal, we will follow these steps:

### Step 1: Identify the main chain
The name "pent" indicates that the main carbon chain contains 5 carbon atoms. Therefore, we will start by drawing a straight chain of 5 carbon atoms.

**Hint:** The prefix "pent" corresponds to a 5-carbon chain.

### Step 2: Add the functional group
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