Different carbon CH skeletons C4H10 CHoCHCH and CH3CH2CH2CH, 2-Methylpropane Butane (soutane) Different functional CH; CH2OH d CHgOCH3 groups C2H60 Ethyl alcohol Dimethyl ether Different position of NH unction OUDS CHON CHCHCH and CHOCHONH sopropvlamine Propylamine Thomson· Brooks cole