2 2 4 dimethylpentane structure July 8, 2019 16 32 64 128 2 2 dimethyl 4 4 dimethylpentane structure 2 4 dimethylpentane structure diagram 2 4 dimethylpentane structure iupac 4 ethyl 2 2 dimethylpentane structure 2 methyl 2 butanol 2 4-диметилпентан қышқылы 2 4-dimetylopentan
