Oxasulfuron, 100 µg/ml, Acetonitrile, 1ml

Bisoprolol, 100µg/ml in MeOH, 5ml

9,10-Dihydro-9-Oxa-10-Phospaphenantrene-10-Oxide, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 35948-25-5

Ofloxacin, certified, 0.1g