D10-Carbamazepine, 100 µg/ml, Methanol, 1ml

Sodium p-n-dodecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml

d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-74-4

Azithromycin, 1000µg/ml in MeOH, 1ml