Perfluorooctane sulfonic acid, 25mg

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Quercetin 3-Sulfate Potassium Salt (>90%), 2mg

Chlorinated Phenols Standard