2,4-Dibromophenol, 100 µg/ml, Methanol, 1ml

d2 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL in Isooctane, 1ml

Methyltin trichloride, 1000 µg/ml, Methanol, 5ml

Avermectin B1a, 100 µg/ml, Acetonitrile, 1ml