4-ethyl-2 2 5-trimethylheptane July 8, 2019 16 32 64 128 4 ethyl 2 2 5 trimethylheptane 4 ethyl 2 3 5 trimethylheptane 2 4 5-trimethylheptane 2 methyl 2 butanol 2 metil 2 butena + h2
