Volatile Mix # 1, in dimethylformamide, 1ml

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59660-24-1

Acetone, 5ml

Ethanol standard in whole blood,0.2g/L,whole blood, 1.5mL