2 2 4 trimethylpentane common name July 8, 2019 16 32 64 128 2 2 3-trimethylpentane common name 2 2 4 trimethylpentane 2 2 4-trimethylpentane synonyms 2 2 4 trimethylpentane structure 2 2 4-trimethyl-3-pentanone