beta-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml

Levetirazetam-d6, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Bismuth (Bi)

Selenium (VI) Selenate, 1000µg/ml in Water, 100ml