2 3-dimethylpent-2-ene July 8, 2019 16 32 64 128 2 3-dimethylpent-2-ene structure 2 3-dimethylpent-2-ene structural formula 2 2- dimethyl pent-3-ene 2 3-dimethylpent-2-ene formula 2 3-dimethylpent-1-ene