Benzoic acid,2-[2-[2-amino-5-hydroxy-6-[2-[4'-[2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]diazenyl]-7-sulfo-1-naphthalenyl]diazenyl]-5-nitro-,sodium salt (1:3), Benzoicacid,2-[[2-amino-5-hydroxy-6-[[4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-7-sulfo-1-naphthalenyl]azo]-5-nitro-,trisodium salt (9CI),