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(1993)4-(2-amino-4-[2]thienyl-thiazol-5-ylazo)-benzenesulfonic acid amide
4-(4-Sulfamoyl-phenylhydrazono)-3-methyl-1-phenyl-pyrazolon-(5)
dabsyl amide
2-methoxy-4-[(4-sulfonamidophenyl)azo]phenol
4-(4-amino-2-hydroxy-phenylazo)-benzenesulfonic acid amide