Phthalimide, 100 µg/ml, Acetone, 1ml

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

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

tert-Butyl acetate