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

2-Aminobenzimidazole, 250mg

1-Naphthylacetic acid, 100 µg/ml, Acetonitrile,

3,5,6-trichloro-2-pyridinol(4,5,6-13C3, 99%) cp 97%, 100µg/ml in Acetonitrile, 1,2ml