Write the systematic IUPAC names of the following compounds :
`CH_3 - CH_2-CH_2 - overset(O) overset(||) C- OCH_2 CH_3`

Explanation

To determine the systematic IUPAC name of the given compound, we will follow these steps:

### Step 1: Identify the Functional Group
The compound contains an ester functional group, which is characterized by the presence of a carbonyl group (C=O) adjacent to an ether group (C-O).

### Step 2: Identify the Alkyl Groups
The compound can be divided into two parts based on the ester functional group:
- The alkyl group attached to the oxygen (O) is derived from ethanol (C2H5), which is an ethyl group.
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