4 4 6-trimethyloctane July 8, 2019 16 32 64 128 4-ethyl-2 6 6-trimethyloctane 6 ethyl 3 4 4 trimethyloctane 4 4-dimethyl-5-ethyloctane 2 4 6-trimethylacetophenone 2 4 6-trimethyl-4-phenyl-1 3-dioxane