o-Toluidine, 100 µg/ml, Acetonitrile, 1ml

2,3,6-Trichlorotoluene

Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1

4-Epioxytetracycline, 10mg