2 3 4 trimethylhex 1 ene July 8, 2019 16 32 64 128 1 iodo 1 3 4 trimethylhex 2 ene 2 3 4 – trimethyl-1-hexene 2 3 4-trimethylhexane formula 2 3 4 trimethylhexan 2 3 4 trimethyl