3 isopropyl 2 4 dimethylpent 2 ene July 8, 2019 16 32 64 128 3 3-dimethyl prop-2-ene 2 3-dimethylpent-2-ene formula 2 3-dimethylpent-2-ene 2 3-dimethylpent-1-ene 3 4-dimethylpent-2-ene
