6 etil 2 4 5 trimetil 1 5 decadieno 8 ino July 8, 2019 16 32 64 128 2 6-octadiene 2 6-dimethyl- 2 6-dimethyl-1 3 5 7-octatetraene 2 2 5-trimethyl-1 3-dioxane-4 6-dione 3 7-dimethyl-2 6-octadienal