The $IUPAC$ name of the following compound is $HOOC-CH_2-CH(COOH)-CH_2-CH_2-COOH$.

Which of the following is the correct $IUPAC$ name for the compound $CH_3-CH(CH_3)-CH_2-CH(CH_3)-CH_3$?

The $IUPAC$ name of the following compound is:

Which of the following selected chains is correct to name the given compound according to the $IUPAC$ system?

Provide the $IUPAC$ name for the following compound:
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,H\,\,\,\,\,{C_4}{H_9}} \\
{\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|} \\
{CH_3CH_2 - C - C - CH_3} \\
{\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,CH_3\,\,\,\,CH_3}
\end{array}$

The correct $IUPAC$ name of $H_2C=CH-CH(CH_3)-CH_2-C \equiv CH$ is: