6-Amino-4-methyl-5-((4-nitrophenyl)azo)-2-((3-(2-phenoxyethoxy)propyl)amino)nicotinonitrile

6-Amino-4-nitro-1-phenol-2-sulfonic acid

6-Amino-5-((2, 5-dichloro-4-sulphophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid, sodium salt

6-Amino-5-((2-((ethylphenylamino)sulphonyl)phenyl)azo)naphthalene-2-sulphonic acid

6-Amino-5-((2-sulpho-4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-1-sulphonic acid

6-Amino-5-((3-((ethylphenylamino)sulphonyl)-4-methylphenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-((4-((2-(sulphooxy)ethyl)sulphonyl)phenyl)azo)naphthalene-2-sulphonic acid, sodium salt

6-Amino-5-((4-((2-bromo-1-oxoallyl)amino)-2-((4-methyl-3-sulphophenyl)sulphonyl)phenyl)azo)naphthalene-2-sulphonic acid

6-Amino-5-((4-((3-chloro-1-oxo-3-(phenylsulphonyl)propyl)amino)-2-((ethylphenylamino)sulphonyl)phenyl)azo)naphthalene-1, 3-disulphonic acid, sodium salt

6-Amino-5-((4-((4-((((3, 4-dichlorophenyl)amino)carbonyl)amino)benzoyl)amino)-2-sulphophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-((4-((5-chloro-2, 6-difluoro-4-pyrimidinyl)amino)-2-sulphophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid, sodium salt

6-Amino-5-((4-(2-phenylvinyl)-3-sulphophenyl)azo)naphthalene-2-sulphonic acid

6-Amino-5-((4-(benzoylamino)-2-((p-tolyl)sulphonyl)phenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-((4-aminophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-((4-anilinosulfonylphenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-((4-chloro-5-methyl-2-sulphophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid, sodium salt

6-Amino-5-((5-(((5-chloro-2, 6-difluoro-4-pyrimidinyl)methylamino)methyl)-2-sulphophenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid, sodium salt

6-Amino-5-((5-((5-chloro-2, 6-difluoro-4-pyrimidinyl)amino)-2-sulphophenyl)azo)naphthalene-1-sulphonic acid, sodium salt

6-Amino-5-((5-chloro-2-((p-tolyl)sulphonyl)phenyl)azo)-4-hydroxynaphthalene-2-sulphonic acid

6-Amino-5-(2, 2-diethoxyethyl)-2-mercapto-4-pyrimidinol