Metformin-HCl, 100µg/ml in Acetonitrile, 5ml

Ethyl sulfate-d5 sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL,

Naphtho[1,2-b]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 111189-32-3

1,3-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-15-4