2.1.4 Nomenclature CH CH,,..CH hexane CH3CHCH2 CH2CH3 isohexane, 2-methylpentane CH 3 CH 3 CH3CCH2 CH3 neohexane, 2, 2-dimethylbutane CH32.1.4 Nomenclature ◼ CH3CH2CH2CH2CH2CH3 hexane ◼ CH3CHCH2CH2CH3 isohexane, 2-methylpentane ◼ CH3 ◼ CH3 ◼ CH3CCH2 CH3 neohexane, 2,2-dimethylbutane ◼ CH3