Mexenone, 100mg

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

2,4,6-Trichloroaniline, 250mg

2-Perfluorooctyl-[1,1-2H2]-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml