2 4 5-trimethyloctane July 8, 2019 16 32 64 128 5 ethyl 2 4 6 trimethyloctane 3 ethyl 2 4 5 trimethyloctane 4 isopropyl 2 2 5 trimethyloctane 5-ethyl-2 4 6-trimethyloctane structure 2 4 5-trimethylaniline 2 3 5-trimethyloctane 2 4 5-trimethylthiazole 2 2 5-trimethyloctane 2 4 5-trimethylheptane