4-碘苯磺酸钾

4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonic acid

4-methylbenzenediazonium,chloride

4-(4-amino-2-methyl-phenylazo)-benzenesulfonic acid

4-[(4-amino-3-methylphenyl)diazenyl]benzenesulfonic acid