tert-Butanol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-65-0

Metformin hydrochloride, 250mg

1,2,3,4,6,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

Coumarin-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 185056-83-1