Nortriptyline-d3 hydrochloride (N-methyl-d3)

D4-Salicylic acid, 100 µg/ml, Acetonitrile, 1ml

Dibenz[a,h]anthracene-d14, 100µg/ml in Isooctane, 1ml

Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate, 50µg/ml in MeOH, 1,2ml