2 3 dimethylbutane 1 2 diol July 8, 2019 16 32 64 128 2 3 dimethylbutane 1 4 diol 2 3-dimethylbutane formula 2 3-dimethylbutane 2 3 dimetylobutan-2-ol 2 3-dimethylbutan-2 3-diol