3 5 dimethyl 4 propylheptane July 8, 2019 16 32 64 128 3 5 dimethyl-4 propylheptane structure 3 ethyl 2 5 dimethyl 4 propylheptane 3-chloro-2 5 dimethyl-4-propylheptane 3 methylhexane 3 5-dimetilheptano 3 5-dimethyl-4-ethylhexan 3 5-dimetiheptano