$\begin{array}{|c|c|c|}
\hline
\text{CTPT}&\text{CTCT}&\text{Gọi tên}\\
\hline
&\rm CH_2=CH-CH_2-CH_3&\rm But-1-en\\
\rm C_4H_8&\rm CH_3-CH=CH-CH_3&\rm But-2-en\\
&\rm CH_2=\mathop{C}\limits_{\Big|}-CH_3&\rm 2-metylprop-1-en\\
&\rm \quad CH_3&\\
\hline
&\rm CH_2=CH-CH_2-CH_2-CH_3&\rm Pent-1-en\\
& \rm CH_3-CH=CH-CH_2-CH_3&\rm Pent-2-en\\
&\rm CH_2=\mathop{C}\limits_{\Big|}-CH_2-CH_3&\rm 2-metylbut-1-en\\
&\rm CH_3\qquad&\\
\rm C_5H_{10}&\rm CH_2-\mathop{C}\limits_{\Big|}=CH-CH_3&\rm 2-metylbut-2-en\\
&\rm CH_3\qquad&\text{(Đồng phân hình học)}\\
&\rm CH_2=\mathop{C}H-\mathop{C}\limits_{\Big|}H-CH_3&\rm 3-metylbut-1-en\\
&\rm\qquad\quad CH_3&\\
\hline
&\rm CH_2=CH-CH_2-CH_2-CH_2-CH_3&\rm Hex-1-en\\
&\rm CH_3-CH=CH-CH_2-CH_2-CH_3&\rm Hex-2-en\\
&&\text{(Đồng phân hình học)}\\
&\rm CH_3-CH_2-CH=CH-CH_2-CH_3&\rm Hex-3-en\\
&&\text{(Đồng phân hình học)}\\
&\rm CH_2=\mathop{C}\limits_{\Big|}-CH_2-CH_2-CH_3&\rm 2-metylpent-1-en\\
&\rm CH_3\qquad\qquad\quad&\\
&\rm CH_2=CH-\mathop{C}\limits_{\Big|}H-CH_2-CH_3&\rm 3-metylpent-1-en\\
&\rm CH_3&\\
&\rm CH_2=CH-CH_2-\mathop{C}\limits_{\Big|}H-CH_3&\rm 4-metylpent-1-en\\
&\rm \qquad \qquad \qquad CH_3&\\
&\rm CH_2-\mathop{C}\limits_{\Big|}=CH-CH_2-CH_3&\rm 2-metylpent-2-en\\
&\rm CH_3\qquad\qquad\quad&\\
&\rm CH_3-CH=\mathop{C}\limits_{\Big|}-CH_2-CH_3&\rm 3-metylpent-2-en\\
&\rm \ \ \ CH_3&\text{(Đồng phân hình học)}\\
&\rm CH_3-CH=CH-\mathop{C}\limits_{\Big|}H-CH_3&\rm 4-metylpent-2-en\\
&\rm \qquad \qquad \qquad CH_3&\text{(Đồng phân hình học)}\\
&\rm \qquad \ \ CH_3\\
\rm C_6H_{12}&\rm CH_2=\mathop{C}\limits_{\Big|}-\mathop{C}\limits^{\Big|}H-CH_3&\rm 2,3-đimetyl-but-1-en\\
&\rm CH_3\qquad&\\
&\rm \qquad \quad CH_3\\
&\rm CH_3-\mathop{C}\limits_{\Big|}=\mathop{C}\limits^{\Big|}-CH_3&\rm 2,3-đimetyl-but-2-en\\
&\rm CH_3\quad&\\
&\rm \qquad \qquad CH_3\\
&\rm CH_2=\mathop{C}H-\mathop{C}\limits_{\Big|}^{\Big|}-CH_3&\rm 3,3-đimetyl-but-1-en\\
&\rm \qquad \qquad CH_3&\\
&\rm CH_2=\mathop{C}\limits_{\Big|}-CH_2-CH_3&\rm 2-etylbut-1-en\\
&\rm \ \mathop{C}\limits_{\Big|}H_2\qquad &\\
&\rm CH_3\qquad &\\
\hline
\end{array}$