Trinatrium-4,5-dihydroxy-3-(4-sulfonatophenylazo)naphthalin-2,7-disulfonat Dinatrium-3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulfonyl]amino]naphthalin-2,7-disulfonat Dinatrium-3-[(4-acetamidophenyl)azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfonato-2-naphthyl]amino]carbonyl]amino]naphthalin-2-sulfonat 2-Nitroso-1-naphthol Dinatrium-3,6-bis[(o-arsonophenyl)azo]-4,5-dihydroxynaphthalin-2,7-disulfonat Dinatrium-3-(5-chlor-2-hydroxyphenylazo)-4,5-dihydroxynaphthalin-2,7-disulfonat Natrium-6-(5-chlor-2-hydroxy-4-sulfophenylazo)-5-hydroxynaphthalin-1-sulfonat Dinatrium-7-anilino-3-[[4-[(2,4-dimethyl-6-sulfonatophenyl)azo]-6-methoxy-m-tolyl]azo]-4-hydroxynaphthalin-2-sulfonat Dinatrium-3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalin-2,7-disulfonat Trinatrium-2-(-hydrogenarsonatophenylazo)-1,8-dihydroxynaphthalin-3,6-disulfonat Natrium-3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]naphthalin-1-sulfonat 4-Hydroxy-3-nitrosonaphthalin-1-sulfonsure Dinatrium-4,5-dihydroxy-3-(p-nitrophenylazo)naphthalin-2,7-disulfonat Natrium-3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitronaphthalin-1-sulfonat Natrium-2-(4-(3-methyl-4-(phenylsulfonyloxy)phenylazo)phenylimino)-5-nitrobenzolsulfonat Dinatrium-7-benzamido-4-hydroxy-3-[[4-[(4-sulfonatophenyl)azo]phenyl]azo]naphthalin-2-sulfonat