હેકઝેન
\(C{H_3} - \mathop {CH}\limits_{\mathop |\limits_{C{H_3}} } - C{H_2} - C{H_2} - C{H_3}\)
2-મિથાઈલ પેન્ટેન
\(C{H_3} - C{H_2} - \mathop {CH}\limits_{\mathop |\limits_{C{H_3}} } - C{H_2} - C{H_3}\)
\(3 - \)મિથાઈલ પેન્ટેન
\(C{H_3} - \mathop {\mathop C\limits_{\mathop |\limits_{C{H_3}} } }\limits^{\mathop |\limits^{C{H_3}} } - C{H_2} - C{H_3}\)2,
\(2 - \)ડાયમિથાઈલ બ્યુટેન
\(\begin{array}{*{20}{c}}
{\,\,\,C{H_3}\,\,\,\,\,C{H_3}\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{C{H_3} - CH - CH - C{H_3}}
\end{array}\)
\(2, 3 - \)ડાયમિથાઈલ બ્યુટેન

$(I)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_3}{H_7}$
$(II)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop {||}\limits_O } \,\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_2}{H_5}$
$(III)$ $\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,H} \\
{\,\,\,\,\,\,\,\,|} \\
{H - {C^ \oplus }} \\
{\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,H}
\end{array}$
$(IV)$ ${C_2}{H_5}\, - \,\,\mathop C\limits_{\mathop |\limits_{C{H_3}} } H\,\, - \,\,{C_2}{H_5}$