Write the IUPAC name of
`HOOC-CH_2 - overset(COOH) overset(|)CH-CH_2 -COOH `

Explanation

To determine the IUPAC name of the compound `HOOC-CH_2 - overset(COOH) overset(|)CH-CH_2 -COOH`, we can follow these steps:

### Step 1: Identify the Longest Carbon Chain
The first step is to identify the longest continuous carbon chain that contains the carboxylic acid functional groups. In this case, the longest chain has 3 carbon atoms.

### Step 2: Count the Carboxylic Acid Groups
Next, we need to identify how many carboxylic acid (–COOH) groups are present in the compound. From the structure, we can see that there are three –COOH groups.

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