2,3’,4,4’-Tetrachlorobiphenyl (66)

S-Metolachlor Metabolite CGA 50267, 100 µg/ml, Ac

2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

2-(N-methylperfluoro-1-butanesulfonamido)ethanol, 1.2mL x 50ug/mL, methanol