Which of the following compounds has wrong match?

$\begin{array}{l}C{H}_3^{ }\\ |\\ C{H}_3^{ }-C-C-C{H}_2^{ }-C{H}_3^{ }\to 2,3-\text{dimethylpent}-1-\text{ene}\\ \text{ \hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}|| \hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}\hspace{0.17em}}|\\ H_2^{ }C H\end{array}$

$\begin{array}{l}O\\ \left|\right|\\ C{H}_3^{ }-CH-C-C{H}_2^{ }-C{H}_3^{ }\to 2-\text{methyl}-3-\text{pentanone}\\ |\\ C{H}_3^{ }\end{array}$

$\begin{array}{l}O\\ \left|\right|\\ C{H}_3^{ }-CH-C-C{H}_2^{ }-Br\to 1-\text{Bromo}-3-\text{methyl\hspace{0.17em}pentan\hspace{0.17em}}-2-\text{one}\\ |\\ C{H}_3^{ }\end{array}$