94022-38-5 4-Hydroxy-7-((((5-hydroxy-6-((2-methoxy-4-sulphophenyl)azo)-7-sulpho-2-naphthyl)amino)carbonyl)amino)-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic acid, sodium salt
94022-41-0 3-methyl-5-[[4-[(3-sulphophenyl)azo]-1-naphthyl]azo]salicylic acid, sodium salt