2 6 dimethylphenol formula July 8, 2019 16 32 64 128 2 6 диметилфенол структурная формула 2 6 dimethylphenol molecular formula 2 6-dimethylphenol 2 6-diformyl-4-methylphenol 2 6-dimethylphenol cas 2 6-diethylphenol 2 5-dimethylphenol