D3-Ofloxacin, 100 µg/ml, Acetonitrile, 1ml

Aqueous ethanol control EtOH AQ (0.8g/L), 10x1,5ml

4-Nitrophenol

(-)-Captopril-d3 (L-proline-2,5,5-d3),ca. 100 µg/mL,MeOH,1mL,