Diisobutylene,100 µg/mL,MeOH,1mL,

2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Pyridalyl, 100 µg/ml, Ethyl acetate, 5ml

Dimethyltin dichloride, 1000 µg/ml, Methanol, 5m