Ofloxacin, 100 µg/ml, Methanol, 1ml

2-Chloro-5-(trifluoromethyl)aniline, 250mg

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

2,3,3',5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,