Atazanavir

Carvedilol-d4 (ethyl-d4), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1133705-56-2

Isoxathion, 100 µg/ml, Ethyl acetate, 5ml

Heptachlor-exo-epoxide (cis-), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28044-83-9