Dibenzo-p-dioxin-d8,50 µg/mL,n-nonane,1mL,

Fenthion, 10 µg/ml, Ethyl acetate, 10ml

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

Phenacetin,1000 µg/mL,acetonitrile,1mL,