2 4 dimethylhexane condensed formula July 8, 2019 16 32 64 128 2 4 dimethylhexane condensed structural formula 4 ethyl 2 2 dimethylhexane condensed formula 4 ethyl 2 2 dimethylhexane condensed structural formula 2 4 dimethylhexane 2 2-dimethylhexane formula 2 2-dimethylhexane 2 3-dimethylhexane formula