2,3,6-Trichloroanisole

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

2H-Perfluoro-[1,2-13C2]-2-octenoic acid (6:2), 50µg/ml in Isopropanol, 1,2ml

2,3,3',4'-Tetrachlorobiphenyl (56)