Einecs 229-173-2

5-[(2-amino-4-sulphophenyl)sulphonyl]salicylic acid

2'-Amino-3-carboxy-4-hydroxy-4'-sulfodiphenylsulfon

2-hydroxy-5-(2-amino-4-sulfophenylsulfonyl)benzoic acid

5-[(2-Amino-4-sulfophenyl)sulfonyl]-2-hydroxybenzoic acid

2''-Amino-3-carboxy-4-hydroxydiphenylsulfone-4''-sulfonic acid