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