2 3-dimethylhept-2-ene July 8, 2019 16 32 64 128 2 3-dimethylhept-3-ene 2 3-dimethyl-4-ethylheptane 2 2-dimethyl-3-heptene 2 3-dimethylheptane structural formula 2 3-dimethyl heptane
