Metformin-d6-HCl, 100μg/ml in MeOH, 5ml

Carboxin

Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml

Propamocarb hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25606-41-1