Cis 3 4 dimethylhex 3 ene July 8, 2019 16 32 64 128 3 4 dimethylhex-3-ene cis and trans Cis 2 4 dimethylhex 3 ene Cis 3 4 dimetil 3 heksena 3 4 dimethylhex-3-ene