2,3,4,6-Tetrachlorophenol, 100 µg/ml, Methanol,

D4-Ethylparaben, 100 µg/ml, Acetonitrile, 1ml

Pregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145-13-1

Paraoxon