Ioxynil, 100mg

1,1-Dichloro-2-[2-chloro(13C6)phenyl]-2-[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane

Quinclorac, 100 µg/ml, Acetonitrile, 5ml

1,3,4,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane