Diquat dibromide monohydrate

n-Hydrocarbon Standard (C6-C32), 2000µg/ml in MeCHl, 1ml

Benzo(c)phenanthrene

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL,