Synonyms: Benzoicacid,5-[[4'-[[8-[(2,4-diaminophenyl)azo]-1-hydroxy-3,6-disulfo-2-naphthalenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-,trisodium salt (9CI); C.I. Direct Brown 52, trisodium salt (8CI); Benzo Bronze G;C.I. 31885; C.I. Direct Brown 52; Direct Brown 52; Naphtamine Bronze DG;Tertrodirect Bronze G; Trifon Olive BN