4-[[4-(Aminocarbonyl)phenyl]azo]-N-(2-ethoxyphenyl)-3-hydroxynaphthalin-2-carboxamid 1-(4-Methyl-2-nitrophenylazo)-2-naphthol Calcium-3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)azo]-2-naphthoat 4-[(2-Chlorphenyl)azo]-3-hydroxy-N-phenylnaphthalin-2-carboxamid Bariumbis[2-chlor-5-[(2-hydroxy-1-naphthyl)azo]toluol-4-sulfonat] 4,4'-[(3,3'-Dichlor[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-on]