4-Nitroaniline,100 µg/mL,acetonitrile,1mL,

3,3',4,4'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4920-95-0

Ethanol standard in serum,1.0g/L,serum, 3mL

N-Ethyl-p-toluenesulfonamide, 250mg