$\text{C}{{\text{H}}_{\text{3}}}\text{C}{{\text{H}}_{\text{2}}}\text{NHC}{{\text{H}}_{\text{3}}}$ ($2^o$ એમાઇન)
$\begin{array}{*{20}{c}} {\,\,\,\,\,\,C{H_3}\,\,} \\ {|\,} \\ {C{H_3} - N - C{H_3}} \end{array}$ ($3^o$ એમાઇન)