2 ethyl 3 4 dimethyl 2 pentene July 8, 2019 16 32 64 128 2 ethyl 3 4 dimethyl 2 pentene structural formula 2 ethyl 3 4 dimethyl 2 pentene structure 2 3-dimethyl-2-pentene 2 3-diethyl-2-methylpentane 2 3-dimethyl pent-2-ene
