2 3 dimethylbut 2 ene displayed formula July 8, 2019 16 32 64 128 2 3 dimethylbut 1 ene displayed formula 2 3-dimethyl-1-butene formula 2 3-dimethylbut-2-en 2 metil 2 butena + h2 2 3-dimethyl-2-butene 2 3-dimethylbutane formula