2 4 7 trimethyloctane July 8, 2019 16 32 64 128 2 4 7 trimethyloctane structure 2 4 7 trimethyloctane structural formula 4 ethyl 2 2 7 trimethyloctane 2 2 5-trimethyloctane 2 2 4 trimethylpentane 2 7 8-trimethyldecane 2 3 4 trimethyl
