1 2 5 6-tetramethyl acenaphthylene July 8, 2019 16 32 64 128 1 2 4 5-tetraethylcyclohexane 1 4 5 8-tetramethylnaphthalene 1 1 4 4-tetramethyl-1 2 3 4-tetrahydronaphthalene 2 2 6 6-tetramethyl-3 5-heptanedionate
