1-Chloro-2-fluorobenzene

Fenamiphos-sulfone, 50mg

2-Perfluorodecyl-[1,2-13C2]-ethanoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml

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