Write the structure of 3-Hydroxybutanal

Explanation

To write the structure of 3-Hydroxybutanal, we will follow these steps:

### Step 1: Identify the Parent Chain
The name "3-Hydroxybutanal" indicates that the compound is derived from butanal, which is a four-carbon aldehyde. Therefore, the parent chain will consist of four carbon atoms.

### Step 2: Draw the Carbon Backbone
We start by drawing a straight chain of four carbon atoms:
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