2 2 4 6 6-pentamethyl heptane July 8, 2019 16 32 64 128 Heptane 2 2 4 6 6 pentamethyl odor 2 methyl 2 butanol 2 metil 2 butena + h2 2 2 4 6 6-pentamethyl-3-heptene 2 2-dimethyl-6-ethylheptane