2 chloro 3 3 dimethylhexane structure July 8, 2019 16 32 64 128 2 chloro 3 3 dimethylpentane structure 2 chloro 3 5 dimethylhexane structure 3 methylhexane 2 3-dichloro-4-methylhexane 2 3-chloro-2 2-dimetylopentanal