D6-Dimethoate, 100 µg/ml, Ethyl acetate, 1ml

Phosphate (PO43-) as PO4

Tris(2-ethylhexyl)phosphate

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