1 1 4 4-tetramethyl-1 2 3 4-tetrahydronaphthalene July 8, 2019 16 32 64 128 6-bromo-1 1 4 4-tetramethyl-1 2 3 4-tetrahydronaphthalene 7 acetyl 1 1 4 4 tetramethyl 6 ethyl 1 2 3 4 tetrahydronaphthalene 1 2 3 4-tetrahydro-1-naphthol 1-methyl-1 2 3 4-tetrahydroquinoline 1 4 5 8-tetramethylnaphthalene 1-methyl-4-phenyl-1 2 3 6-tetrahydropyridine