Synonyms: Benzo[a]phenazinium,5-[(2,4-disulfophenyl)amino]-7-phenylsulfo-, hydroxide, inner salt, disodiumsalt; Benzo[a]phenazinium, 5-[(2,4-disulfophenyl)amino]-7-phenylsulfo-, innersalt, disodium salt (9CI); C.I. Acid Red 103 (7CI); Azocarmine B; AzocarmineBX; C.I. 50090