Volatile Mix # 2, in dimethylacetamide, 1ml

Metformin hydrochloride, 100 µg/ml, Methanol, 1m

Hydrindantin (reduced form of ninhydrin), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5103-42-4

Fentin acetate, 250mg