CH3 - CH2 - CH2 - CH3 => Butan

CH3 - CH(CH3) - CH3 => 2-Metyl Propan

b. C5H12

CH3 - CH2 - CH2 - CH2 -CH3 => Pentan

CH3 - CH2 - CH(CH3) - CH3 => 2-Metyl butan

CH3 - C(CH3)2 - CH3 => 2,2- Đimety propan

c) C6H14

CH3 - CH2 - CH2 - CH2 - CH2 - CH3=> Hexan

CH3-CH(CH3) – CH(CH3) - CH3 => 2,3-Đimetyl butan

CH3 - C(CH3)2 - CH2 - CH3 => 2,2 Đimetyl Butan