Which of the following Structures have  correct indicated IUPAC nomenclature/Common Name     

                                                                 Isoctane

Iso-propyl-3-($2^{\text{'}}$ -bromo-$3^{\text{'}}$ -hydroxypropylidene) cyclopentane carboxylate

3-chlorocarbonylMethyl-6-(N,N-diethylamino) hex-4-en-1-oic acid

$$\begin{gathered} CH\equiv C-CH=C{H}_2 \\ But-3-en-1-yne \end{gathered}$$