DL-alpha-Tocopherol acetate, 500mg

Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

Pentafluoropropionic acid, 250mg

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