Perylene-3 4 9 10-tetracarboxylic dianhydride July 8, 2019 16 32 64 128 Perylene 3 4 9 10 tetracarboxylic dianhydride ptcda Perylene 3 4 9 10 tetracarboxylic dianhydride solubility Perylene 3 4 9 10 tetracarboxylic acid dianhydride Perylene-3 4 9 10-tetracarboxylic acid Perylene-3 4 9 10-tetracarboxylic diimide