Methyl-t-butyl ether

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

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,

1,2,3,4,6,7-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane