128-69-8 197501-07-8 3,4,9,10-Perylenetetracarboxylic 3,4:9,10-dianhydride (8CI) 3,4:9,10-Perylenetetracarboxylic anhydride 71819-78-8 EINECS 204-905-3 NSC 79895 Perylene-3,4,9,10-tetracarboxylic 3,4:9,10-dianhydride Perylene-3,4,9,10-tetracarboxylic dianhydride Perylene-3,4:9,10-tetracarboxylic dianhydride Perylenetetracarboxylic acid dianhydride Perylenetetracarboxylic anhydride Perylo(3,4-cd:9,10-c'd')dipyran-1,3,8,10-tetrone