Give the IUPAC names of the following alkynes :
`CH_3 - C -= C - oversetunderset(|)(C_2H_5)(C)H - CH_3`

Explanation

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

### Step 1: Identify the Structure
The given structure is:
```
CH3
|
CH3-C≡C-CH-CH2-CH3
...