3 4-diethyl-3-methylhexane July 8, 2019 16 32 64 128 3 4 diethyl 3 methylhexane 3 4 dimethyl methylhexane 3 methylhexane 3 3-dimethylhexane 3 4-dimethylhexane 3 3-dimethyl-2-hexanone