2-Naphthalenesulfonicacid,3-[[4-[[[[4-[(2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo]-3-sulfophenyl]amino]carbonyl]amino]-2-sulfophenyl]azo]-4-hydroxy-7-(phenylamino)-,tetrasodium salt (9CI); C.I. Direct Violet 6, tetrasodium salt (8CI); BenzoBrilliant Violet L5RH; C.I. 25385; C.I. Direct Violet 6; Diazol Light Violet5R; Direct Violet 6