Naphthalene-1 4 5 8-tetracarboxylic acid July 8, 2019 16 32 64 128 Naphthalene 1 4 5 8 tetracarboxylic acid Naphthalene-1 4 5 8-tetracarboxylic acid dianhydride Naphthalene-1 4 5 8-tetracarboxylic dianhydride 1 4 5 8-naphthalenetetracarboxylic acid