17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 1ml

Mass-Labelled PCDF/PCB Syringe Spike, 1.2ml, nonane

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

(1S,4S)-N-Desmethyl Sertraline Hydrochloride, 1mg