Metformin hydrochloride, 100 µg/ml, Methanol, 1m

Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93952-01-3

Dieldrin-13C12,100 µg/mL,n-nonane,1mL

O-Desmethylvenlafaxine,neat,neat,10mg,