1) CH3CHFFFCHCH3CH3CH3CH2CH32) CH3CHIIICH2CHIIICHCH2CH3CH2CH3CH2CH323) CH3CHClClClCH2CHClClClCHCH3CH3CH3CH2CH2Cl
1) CH3CHFFFCHCH3CH3CH3CH2CH3
2) CH3CHIIICH2CHIIICHCH2CH3CH2CH3CH2CH32
3) CH3CHClClClCH2CHClClClCHCH3CH3CH3CH2CH2Cl