Nitrofurantoin 13C3, 5mg

O,O-Dimethylhydrogenphosphate

2H-Perfluoro-[1,2-13C2]-2-decenoic acid (8:2), 50µg/ml in Isopropanol, 1,2ml

Bromoxynil-methyl ether, 10 µg/ml, Acetonitrile,