Bentazone-methyl, 100µg/ml in Acetonitrile, 5ml

1,2,3,3a,4,5-Hexahydropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5385-37-5

Naproxen, 100 µg/ml, Methanol, 1ml

Ethanol standard in serum,3.0g/L,serum, 3mL