Imidacloprid olefin, 100 µg/ml, Acetonitrile, 1m

2,2',3,4,4',5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Hexanaldehyde-DNPH

(±)-Verapamil-d3 hydrochloride (N-methyl-d3) ,1000 µg base/mL,MeOH,1mL