Pyrethrins, 100 µg/ml, Acetonitrile, 1ml

2,2'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol

(-)-Scopolamine-d3 hydrobromide trihydrate,neat,neat,10mg,