Answer:
(i)
\[\underset{\begin{smallmatrix}
\\
\text{diethylenetriamine}\,\,\text{(dien)}
\end{smallmatrix}}{\mathop{{{H}_{2}}\overset{\centerdot
\,\,\centerdot }{\mathop{N}}\,-C{{H}_{2}}-C{{H}_{2}}-\overset{\centerdot
\,\,\centerdot }{\mathop{N}}\,H-C{{H}_{2}}-C{{H}_{2}}-\overset{\centerdot
\,\,\centerdot }{\mathop{N}}\,{{H}_{2}}}}\,\]
(ii)
\[\underset{\text{glycinate}\,\,\text{(gly)}}{\mathop{\underset{\begin{smallmatrix}
| \\
\text{O=C-}{{\text{O}}^{\text{O-}}}
\end{smallmatrix}}{\mathop{{{H}_{2}}C-\overset{\centerdot
\,\,\centerdot }{\mathop{N}}\,{{H}_{2}}}}\,}}\,\]
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