2 5 dimethylhexa 1 4 diene structure July 8, 2019 16 32 64 128 Skeletal structure of 2 5 dimethylhexa 1 4 diene 2 5-dimethylhexa-1 4-diene 2 5-dimethylhexane 2 5-dimethylhexan 2 5-dimethyl-3-hexene 2 5-dimethyl-1 5-hexadiene