2,4-Dibromophenol, 1.2ml x 100ug/ml, toluene

17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

Parathion-ethyl, 100 µg/ml, Cyclohexane, 1ml

1,3,5-Triphenylbenzene, 100mg