Pyridine as N

Metronidazole, 100 µg/ml, Acetonitrile, 1ml

PAH-Dx - Mix 4, 100µg/ml in Acetone, 5ml

3,4,5-Trichloroaniline, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 634-91-3