108251-64-5 110158-68-4 12270-63-2 153343-40-9 2,9-Bis(4-(phenylazo)phenyl)anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10(2H,9H)-tetrone 3049-71-6 Anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10(2H,9H)-tetrone, 2,9-bis(4-(phenylazo)phenyl)- C.I. Pigment Red 178 EINECS 221-264-5