Diclofenac (free acid), 100µg/ml in AL, 5ml

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Acetylsalycylic acid

Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 50µg/ml in MeOH, 1,2ml