4-Epioxytetracycline, 10mg

2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Iminoctadine triacetate, 100 µg/ml, Methanol, 1m

3-Methylcholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-49-5