Synonyms: 11H-Benzo[a]carbazole-3-carboxamide,2-hydroxy-N-(4-methoxy-2-methylphenyl)-1-[[4-[(4,5,6,7-tetrachloro-1-oxo-1H-isoindol-3-yl)amino]phenyl]azo]-(9CI);1-[[4-[(4,5,6,7-Tetrachloro-3-oxo-1-isoindolinylidene)amino]phenyl]azo]-2-hydroxy-N-(4-methoxy-2-methylphenyl)-11-H-benzo[a]carbazole-3-carboxamide