2,3,5,6-Tetrachlorophenol, 10.0 µg/ml, Cyclohexan

Ethanol standard in serum,0.3g/L,serum, 1.5mL

(20R)-13(17)-Diacholestene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82079-08-1

2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml