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

Sulfamethazine, 250mg

4-Ethylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2785-89-9

ß-glucuronidase from ocean-fresh Red Abalone, >100,000 u/ml, 10ml