Answer
The IUPAC name of the compound is $3,4-dimethylhex-3-enanoic \hspace1mm acid$. The compound has no common name
Work Step by Step
The acid has 6 carbon atoms in its longest carbon chain containing the carboxylic functional group. It has 2 $methyl$ substituents at positions 3 and 4, and a $double \hspace1mm bond$ at position 3. It has the $Z$ configuration of its substituents with respect to the double bond. So, the IUPAC name of the compound is $3,4-dimethylhex-3-enanoic \hspace1mm acid$. The compound has no common name
