2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile,

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),1000 µg/mL,MeOH,1mL,

D7-Beflubutamid, 5mg

Tetracycline 13C22,15N2 dried down 2.5 µg/mL, 5 x 1ml