Metformin Hydrochloride, 1g

1-Butoxy-2,3-difluoro-4-(trans-4-propylcyclohexyl)benzene, 1g

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7

2,3,6-Trichlorophenol-4,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-81-6