Sulfisozole sodium, 100mg

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,4,4',5,5'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2-Butanone-2,4-DNPH, 100mg