Nitrofurantoin, 250mg

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

D6-Mecoprop, 100 µg/ml, Acetonitrile, 1ml

Iopamidol, 100µg/ml in MeOH, 1ml