1H-Benzotriazole, 100 µg/ml, Acetonitrile, 1ml

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

2,4-DB methyl ester

alpha,alpha,2,6-Tetrachlorotoluene, 1000mg