Give IUPAC name for each of the following
`OHoverset(4)C-overset(3)CH_(2)-overset(2)CH_(2)-oversetoverset(O)(||)(""^(1)C)-OH`

Explanation

To derive the IUPAC name for the given compound, we will follow a systematic approach. The structure provided can be interpreted as follows:

1. **Identify the longest carbon chain**: The longest carbon chain in the structure includes four carbon atoms, which is a butanoic acid since it contains a carboxylic acid group (-COOH).

2. **Identify the functional groups**: The structure contains:
- A carboxylic acid group (-COOH) at one end, which will be the highest priority functional group.
- An oxo group (C=O) at the fourth carbon.
- A hydroxyl group (-OH) at the first carbon.
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