Cortisol-9,11,12,12-d4, 0,5mg

D3-Ipronidazole-hydroxy, 10mg

n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-59-4

PCB No. 29, 10μg/mL in Isooctane, 10ml