1 4 5 8 tetrahydronaphthalene July 8, 2019 16 32 64 128 1 4 5 8 tetrahydronaphthalene aromatic 1 4 5 8-tetramethylnaphthalene 1 4 5 8-naphthalene tetracarboxylic dianhydride 1 4 5 8-naphthalenetetracarboxylic acid 1 2 3 4-tetrahydro-1-naphthol