2 5-dimethyl-1 4-hexadiene July 8, 2019 16 32 64 128 2 5-dimethyl-2 4-hexadiene 2 4-dimethyl-1 4-hexadiene 2 5-dimethyl-1 5-hexadiene 2 5-dimethylhexane 2 5-dimethylhexa-1 4-diene
