Bromoxynil-methyl ether, 10 µg/ml, Acetonitrile,

(±)-Sotalol-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,

Custom Mix, deuterated PAHs 2 µg/mL each 1086.12 Biphenyl-d10 1525.20 Benzo[e]pyrene-d12 1534.20 Perylene-d12

Glycolic acid (C2H4O3)