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