Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

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

Benzaldehyde, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-52-7

Erythromycin, 100 µg/ml, Methanol, 5ml