1-Naphthaldehyde,1000 µg/mL,isooctane,1mL,

4-n-Nonylphenol-2,3,5,6-d4-OD, 1000µg/mL, Solvent-acetone, Unit 5mL, # of units-5, Cas.no. 358730-95-7

3,5-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33954-06-2

Metformin hydrochloride, 250mg