\(1^°\) એમાઈન
\(C{H_3} - \mathop {CH}\limits_{\mathop |\limits_{N{H_2}} } - C{H_3}\)
\(1^°\) એમાઈન
\(CH_3 - CH_2 - NH - CH_3 \)
\(2^°\) એમાઈન
\(C{H_3} - \mathop {N}\limits_{\mathop |\limits_{C{H_3}} } - C{H_3}\)
\(3^°\) એમાઈન
$\mathop { - CH{{(C{H_3})}_2}}\limits_1 \,\,\,\,\,\,\,\,\,\,\,\mathop { - C{H_2}C{H_2}Br}\limits_2 \,\,\,\,\,\,\,\,\,\,\mathop { - C{H_2}Br}\limits_3 \,\,\,\,\,\,\,\,\,\,\mathop { - C{{(C{H_3})}_3}}\limits_4 $
$I = II = III = IV$