2 2 6 6-tetramethyl-3 5-heptanedionate July 8, 2019 16 32 64 128 2 2 6 6-tetramethyl-3 5- heptanedione Copper bis 2 2 6 6 tetramethyl 3 5 heptanedionate 2 2 6 6-tetramethylheptane-3 5-dione 2 2 3 6-tetramethylheptane 2 3 5 5-tetramethylhexane