D3-Ipronidazole-hydroxy, 10mg

Methyl parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 298-00-0

n-Tridecane, ?13C: -33.47, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-50-5

9,10-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 781-43-1