Chlorobenzilate, 100 µg/ml, Acetonitrile, 1ml

5-Chloro-2-hydroxybenzophenone, 250mg

13-Methyltetradecanoic acid, 10mg

2,3,4,5-Tetrachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene