2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg

n-Tetracosane, ?13C: -26.42, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 646-31-1

Penicillin G potassium, 100µg/mL in Acetonitrile, 1ml

Triclopyr-2-butoxyethyl ester, 100mg