ZINCON

2-CARBOXY-2'-HYDROXY-5'-SULFOFORMAZYLBENZENE

O-[2-[ALPHA-(2-HYDROXY-5-SULFOPHENYLAZO)BENZYLIDENE]HYDRAZINO]BENZOIC ACID SODIUM SALT

2-([ALPHA-(2-HYDROXY-5-SULFOPHENYLAZO)-BENZYLIDENE]-HYDRAZINO)-BENZOIC ACID MONOSODIUM SALT

O-[2-[ALPHA-(2-HYDROXY-5-SULFOPHENYLAZO)-BENZYLIDENE]-HYDRAZINO]-BENZOIC ACID,MONOSODIUM SOLT