2 2-dimethylpentanoic acid July 8, 2019 16 32 64 128 2 2 dimethylpentanoic acid 2 2 dimethylpentanoic acid structure 2 2-dimethylpentanoic acid formula 2 2 methylpentanoic acid 2 2- methyl valeric acid 2 hydroxy 2 4 dimethylpentanoic acid 2 ethyl 2 methylpentanoic acid 2 hydroxy 2 methylpentanoic acid