Halosulfuron-methyl, 50mg

Carbon tetrachloride

2,2',4,4',5,6'-Hexabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

1,2,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene