2,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

1,2,4,5-Tetrachlorobenzene

D5-Nalidixic acid, 10mg

Diltiazem (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 42399-41-7