striped toothpaste Mordant Brown 49 Dinatrium-3-(5-chlor-2-hydroxyphenylazo)-4,5-dihydroxynaphthalin-2,7-disulfonat 9,10-Anthracendion, Hydroxybis(phenylamino)-, sulfoniert, Natriumsalz Natrium-3-hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalinsulfonat Natrium-2,4-diamino-5-(2-hydroxy-5-nitrophenylazo)benzolsulfonat Natrium-4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxynaphthalin-1-sulfonat Natrium-3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitronaphthalin-1-sulfonat Dinatrium-5-(p-sulfophenylazo)salicylat Dinatrium-5-[(3-carboxylato-5-methyl-4-oxo-2,5-cyclohexadien-1-yliden)(2,6-dichlorphenyl)methyl]-3-methylsalicylat PGA and its copolymer Dinatrium-5-(4-(4-sulfophenylazo)phenylazo)salicylat