Glycine
Sulfamic acid
Taurine
4-Amino-benzenesulfonic acid monosodium salt
1-DODECANESULFONIC ACID SODIUM SALT
Sodium 4-amino-1-naphthalenesulfonate
2-Aminonaphthalene-1-sulfonic acid
6-DIMETHYLAMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
5-Amino-1-naphthalenesulfonic acid
8-Anilino-1-naphthalenesulfonic acid