CH3 - CH₂ - C - CH3 CH₂ CH₂ CH3 CH3 -CH-CH-CH-CH₂-CH3 CH-CH₂ CH₂ CH3 CH3

CH3 - CH₂ - C - CH3 CH₂ CH₂ CH3 CH3 -CH-CH-CH-CH₂-CH3 CH-CH₂ CH₂ CH3 CH3