Aqueous Ethanol Standard (0.8g/l), 10 x 1,2ml

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

Dimethyl succinate, 250mg

N,N-Dimethylsulfamide, 100mg