Synonyms:1,5-Naphthalenedisulfonicacid,3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-,tetrasodium salt (9CI);C.I. Direct Blue 71,tetrasodium salt (8CI);Amanil Fast Blue FFB;Benzanil Supra Blue BRR;Chlorantine Fast Blue FFC;Chlorantine Fast Blue GLL;Chlorantine Fast BlueGLN;Dialuminous Blue BRR;Diazol Light Blue R;Diphenyl Fast Blue GL;Diphenyl Fast Blue GLN;