3-ethyl-2 4 5-trimethylheptane July 8, 2019 16 32 64 128 3-bromo-5-ethyl-2 4 4-trimethylheptane 3 methylhexane 5-ethyl-2 2 4-trimethylheptane 3-ethyl-2 2 3-trimethylheptane
