5-((3-Carboxy-4-chlorophenyl)azo)salicylic acid

5-((3-Carboxy-4-hydroxy-5-tolyl)(3-carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)methyl)-3-methyl-salicylic acid, sodium salt

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(2, 6-dichloro-4-sulphophenyl)methyl)-3-methylsalicylic acid, sodium salt

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(2, 6-dichlorosulphophenyl)methyl)-3-methylsalicylic acid

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(2-chloro-4-(dimethylamino)phenyl)methyl)-3-methylsalicylic acid

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(4-((4-tolyl)amino)phenyl)methyl)-3-methylsalicylic acid

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(4-(dimethylamino)phenyl)methyl)-3-methylsalicylic acid

5-((3-Carboxy-5-methyl-4-oxo-2, 5-cyclohexadien-1-ylidene)(4-(N, N-dimethylamino)phenyl)methyl)-3-methylsalicylic acid, sodium salt

5-((3-Chloro-o-tolyl)azo)quinolin-8-ol

5-((3-Diethylamino)propyl)amino-8-hydroxy-6H-imidazo(4, 5, 1-de)acridin-6-one

5-((3-Methoxypropyl)amino)-8-((2-methyl-4-nitrophenyl)azo)-1-naphthol

5-((4'-((2-Amino-8-hydroxy-6-sulpho-1-naphthyl)azo)-3, 3'-dimethyl(1, 1'-biphenyl)-4-yl)azo)salicylic acid, sodium salt

5-((4'-((2-Amino-8-hydroxy-6-sulphonaphthalen-1-yl)azo)-3, 3'-dimethyl(1, 1'-biphenyl)-4-yl)azo)salicylic acid

5-((4'-((4, 5-Dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-1H-pyrazol-4-yl)azo)(1, 1'-biphenyl)-4-yl)azo)-3-methylsalicylic acid, sodium salt

5-((4'-((4-((4-Amino-6(or 7)-sulpho-1-naphthyl)azo)-6(or 7)-sulpho-1-naphthyl)azo)(1, 1'-biphenyl)-4-yl)azo)salicylic acid, sodium salt

5-((4'-((4-Amino-2, 5-dimethylphenyl)diazenyl)(1, 1'-biphenyl)-4-yl)diazenyl)-2-hydroxybenzoic acid

5-((4'-((6-Amino-5-(1H-benzotriazol-4-ylazo)-1-hydroxy-3-sulpho-2-naphthyl)azo)-3, 3'-dimethoxy(1, 1'-biphenyl)-4-yl)azo)-2-hydroxy-4-methylbenzoic acid

5-((4'-((8-((2, 4-Dihydroxy-3-((2-methoxy-5-sulphophenyl)azo)phenyl)azo)-1-hydroxy-3, 6-disulpho-2-naphthyl)azo)-3, 3'-dimethoxy(1, 1'-biphenyl)-4-yl)azo)salicylic acid

5-((4'-((8-Amino-1-hydroxy-3, 6-disulpho-2-naphthyl)azo)-3, 3'-dimethoxy(1, 1'-biphenyl)-4-yl)azo)salicylic acid

5-((4'-((8-Amino-7-((2, 4-disulphophenyl)azo)-1-hydroxy-5-sulpho-2-naphthyl)azo)-3, 3'-dimethyl(1, 1'-biphenyl)-4-yl)azo)salicylic acid, sodium salt