2-[[4-[[4-[[6-anilino-1-hydroxy-3-sulpho-2-naphthyl]azo]-1-naphthyl]azo]-6-sulpho-1-naphthyl]azo]benzene-1,4-disulphonic acid, ammonium sodium salt

1,4-Benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-( phenylamino)-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl ]azo]-6-sulfo-1-naphthalenyl]azo]-, ammonium sodium salt

2-[[4-[[4-[[1-Hydroxy-6-(phenylamino)-3-sulfonaphthalene-2-yl]azo]naphthalene-1-yl]azo]-6-sulfonaphthalene-1-yl]azo]-1,4-benzenedisulfonic acid/ammonia/sodium,(1:x:x) salt