Biphenyl, 100 µg/ml, Cyclohexane, 1ml

Ethanol in serum control EtOH SE (0.2g/L), 10x3ml

7H-Perfluoro heptanoic acid, 100mg

2,3,5-Trimethylthiophene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1795-04-6