Formaldehyd-DNPH, 100 µg/ml, Acetonitrile, 5ml

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

Furalaxyl, 100 µg/ml, Acetonitrile, 1ml

1,2,3,4-Tetramethylbenzene