Dinatrium-7,7'-iminobis[4-hydroxy-3-(phenylazo)naphthalin-2-sulfonat] Dinatrium-5-[[4'-[[2,4-diamino-5-[(4-sulfophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]salicylat Dinatrium-7,7'-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)naphthalin-2-sulfonat] Dinatrium-4-amino-3-[[4'-[(2-amino-8-hydroxy-6-sulfonatonaphthyl)azo][1,1'-biphenyl]-4-yl]azo]naphthalin-1-sulfonat Dinatrium-2-[4-[[1-[[(2-methoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-3-sulfonatophenyl]-6-methylbenzothiazol-7-sulfonat Natrium-6-amino-3-[[4-[(4-aminophenyl)azo]-4-methoxy-m-tolyl]azo]-4-hydroxynaphthalin-2-sulfonat Dinatrium-4-amino-5-hydroxy-6-[[4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-4-yl]azo]-3-[(4-nitrophenyl)azo]naphthalin-2,7-disulfonat