Hợp chất (CH3)2CHCH2CH2CH3 có tên gọi là: neopentane

\(\begin{array}{*{35}{l}} \overset{1}{\mathop{C}}\,{{H}_{3}}-\underset{\,\left| {} \right.}{\overset{2}{\mathop{C}}}\,H-\overset{3}{\mathop{C}}\,{{H}_{2}}-\overset{4}{\mathop{C}}\,{{H}_{2}}-\overset{5}{\mathop{C}}\,{{H}_{3}} \\ \text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\!\!~\!\!\text{ }\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}} \\ \end{array} \)

2-methylpentane