Metribuzin, 100µg/mL in Acetonitrile, 1ml

Naproxen, 250mg

Diquat dibromide monohydrate,100 µg/mL (as Diquat),MeOH,1mL,

Sodium perfluoro-1-propanesulfonate, 50µg/ml in MeOH, 1,2ml