Benzoicacid,5-[[4'-[[2,6-diamino-3-[[8-hydroxy-3,6-disulfo-7-[(4-sulfo-1-naphthalenyl)azo]-2-naphthalenyl]azo]-5-methylphenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-,tetrasodium salt (9CI); C.I. Direct Brown 31 (7CI); C.I. Direct Brown 31,tetrasodium salt (8CI); Airedale Brown BSD; Amanil Fast Brown HP; Amanil RayonBrown B; Atlantic Brown BCW; Atlantic Brown BP; Belamine Fast Brown BP;Benzanil Brown BS; Benzo Deep Brown NZ; C.I. 35660; Calcomine Brown B;Calcomine Catechu 2B; Chlorazol Brown LF; Chocolate EMBL; Chrome Leather BrownBS; Cupranil Brown BCW; Cupranil Brown BCWR; Diaphtamine Fast Brown TB; DiazolCutch F; Diazol Cutch FB; Diphenyl Brown BS; Diphenyl Brown TB; Diphenyl FastBrown F; Direct Brown 31; Direct Brown 3B; Direct Brown B; Direct Brown BS;Direct Brown BSB; Direct Brown FS; Direct Brown TRB; Direct Fast Brown BP;Direct Fast Brown TSN; Direct Fast Brown TWC; Erie Fast Brown B; Fenamin BrownPBL; Fixanol Brown LF; Hispamin Fast Brown NZ; Phenamine Fast Brown T;Phenamine F