Perylene-3,4,9,10-tetracarboxylic acid N,N'-diphenyldiimide, N,N'-Diphenyl-3,4,9,10-perylenedicarboximide, 2,9-Diphenyl-anthra[2,1,9-def,6,5,10-d'e'f']diisochinolin-1,3,8,10-tetraon, 2,9-diphenyl-anthra[2,1,9-def,6,5,10-d'e'f']diisoquinoline-1,3,8,10-tetraone, N,N'-diphenyl-3,4,9,10-perylenetetracarboxylic diimide, 2,9-Diphenylanthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10(2H,9H)-tetrone