Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml

Labelled Compound Stock Solution, in Nonane/3.2% toluene, 1,2ml

1,4-Diisopropylbenzene

Pesticides & PCB Mix, varied µg/mL in IO:TO [9.5:0.5], 1ml