3-Methyl-4-nitrophenol, 100mg

2-Imidazolidone, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4,4',5,5'-Heptabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1,3,7-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,