3 5-diethyl 2 6-dimethyl 4-propylheptane July 8, 2019 16 32 64 128 2 6 dimethyl 3 5 diethyl 4 propylheptane 2 5-dimethyl-4-(2-methylpropyl)heptane 2 3-dimethyl-4-ethylheptane
