2?-Methyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg,

Amisulbrom, 100 µg/ml, Acetonitrile, 1ml

2,4-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53592-10-2

Fenthion-sulfoxide, 10.0 µg/ml, Acetonitrile, 10