D3-Ipronidazole-hydroxy, 10mg

13C3-2-NP-AHD, 10mg

N-Nitrosopiperidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 100-75-4

Atrazine-2-hydroxy-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,