Piperacillin, 250mg

Triphenylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 17777-56-9

Citric acid [0.2% wt]

ß-Glucuronidase from overexpressing recombinant E. coli ,>50,000 u/ml,50% aqueous glycerol soln,5mL