Sulfamethazine, 100 µg/ml, Methanol, 1ml

Butralin, 10.0 µg/ml, Ethyl acetate, 10ml

2,4-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31317-18-7

Oxprenolol