Trichloroethene, 100 µg/ml, Acetonitrile, 1ml

N-Nitroso-di-n-butylamine, 100 µg/ml, Methanol,

Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg

2,4,6-Trimethoxy-1,3,5-triazine