5 6 7 8-tetrahydronaphthalene-1-amine July 8, 2019 16 32 64 128 5 6 7 8-tetrahydronaphthalene-1-carboxylic acid 4 5 6 7-tetrahydro-1h-indole 5 6 7 8-tetrahydronaphthalen-1-amine 1 4 5 8-tetramethylnaphthalene