2 4 dimethylhexane skeletal structure July 8, 2019 16 32 64 128 2-ethyl-4 4 dimethylhexane carbon skeletal structure 2 4-dimetyloheksan 2 methyl 2 butanol 2 4-dimethylhexane 3 methylhexane 2 4-dimethylhexane structural formula