A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.
One of the isomers of pentene.
One of the isomers of pentenes.
The simplest conjugated diene.
One of the isomers of butene.
The fourth member in the homologous series of alkanes.
Mirror image isomers of asymmetrical shapes and solids are non-superimposable.