Metformin-d6-HCl, 100µg/ml in Acetonitrile, 1ml

4-Chloro-2-methylaniline, 100 µg/ml, Methanol, 5

Diflufenican-d3 (3-trifluoromethylphenoxy-2,4,6-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1185009-29-3

Mix of deuterated PCBs (28,52,101), 100µg/ml in Nonane, 10 x 1ml