2 3 dimethylhexanamide July 8, 2019 16 32 64 128 4 ethyl 2 3 dimethylhexanamide 2 3-dimethylhexan 2 3-dimethylhexane 2 3-dimethylhexene 2 3-dimethylhexyne 2 3-dimethylhexanoic acid