Metronidazole, 100 µg/ml, Acetonitrile, 1ml

2',3,4,5,6'-Pentachlorobiphenyl

Cesium (Cs)

Perfluorobutane sulfonic acid, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59933-66-3