3 ethyl 4 5 dimethylheptane July 8, 2019 16 32 64 128 3 ethyl 4 5 dimethylheptane structure 3 ethyl 4 5 dimethylheptane structural formula 3 ethyl 4 isopropyl 2 5 dimethylheptane A 3 bromo 5 ethyl 4 4 dimethylheptane
