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

3-Methyl-d3-indole-d5,100 µg/mL,MeOH,1mL

Serotonin-13C2,15N hydrochloride (ethylamine-13C2,15N),100 µg base/mL,MeOH,1mL

Ethiprole-sulfone, 100 µg/ml, Acetonitrile, 1ml