13C2,15N2-Metronidazole, 10mg

Triphenyl phosphite, 100 µg/ml, Methanol, 1ml

Ethofumesate, 10.0 µg/ml, Ethyl acetate, 10ml

Octachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2234-13-1