Chlorothalonil, 250mg

N-ethylperfluoro-1-octanesulfonamidoacetic acid, 50µg/ml in MeOH, 1ml

1-Chloro-2-nitrobenzene, 250mg

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane