Synonyms: 4'-[[4'-(6,11-dihydro-6,11-dioxoanthra[2,1-d]oxazol-2-yl)[1,1'-biphenyl]-4-yl]azo]-N-(9,10-dihydro-9,10-dioxo-2-anthryl)[1,1'-biphenyl]-4-carboxamide;N-2-Anthraquinonyl-4'-((4'-(6,11-dihydro-6,11-dioxoanthr(2,1-d)oxazol-2-yl)-4-biphenylyl)azo)-4- biphenylcarboxamide;[1,1'-Biphenyl]-4-carboxamide, N-(9,10-dihydro-9,10-dioxo- 2-anthracenyl)-4'-[[4'-(6,11-dihydro-6,11-dioxoanthra [2,1-d]oxazol-2-yl)[1,1'-biphenyl]-4-yl]azo ]-;N-(9,10-Dihydro-9,10-dioxoanthracene-2-yl)-4'-[[4'-(6,11-dihydro-6,11-dioxoanthra[2,1-d]oxazole-2-yl)biphenyl-4-yl]azo]biphenyl-4-carboxamide;N-[(9,10-Dihydro-9,10-dioxoanthracen)-2-yl]-4'-[[4'-[(6,11-dihydro-6,11-dioxoanthra[2,1-d]oxazol)-2-yl]-1,1'-biphenyl-4-yl]azo]-1,1'-biphenyl-4-carboxamide