1 2 4-trimethyl-3-ethylbenzene July 8, 2019 16 32 64 128 1 2 4 trimethyl 3 ethylbenzene 1 2 4-trimethylbenzene 1 2 3 4 brn remix 2 metil 2 butena + h2 1 2 3-trimethylbenzene
