2 4-dimethylheptane formula July 8, 2019 16 32 64 128 2 4 dimethylheptane structural formula 2 4-dimethylheptane molecular formula 2 4-dimethylheptane 2 methyl 2 butanol 2 metil 2 butena + h2 2 4-диметилпентан қышқылы
