Ethanol standard in serum,1.5g/L,serum, 1.5mL

1,4-Dichloro-2-nitrobenzene, 250mg

1,1-Cyclohexanediacetic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4355-11-7

Riboflavin-13C,15N2, 1mg