2 4-dimethylhexa-1 4-hexadiene July 8, 2019 16 32 64 128 2 4-dimethylhexane 2 4-dimethyl-1 4-hexadiene 2 2-dimethylhexane 2 4-hexadiene 2 2 4(or 2 4 4)-trimethylhexane-1 6-diamine