Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

Hexachloro-1,3-butadiene 13C4, 100µg/mL in Acetone, 1ml

Bis(2-ethylhexyl)-adipate, 1000µg/ml in Isooctane, 5ml

Metformin hydrochloride