Iron (Fe)

2,3',4',6-Tetrabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

Sodium 1H,1H,2H,2H-perfluoro-1-[1,2-13C2]-hexane sulfonate (4:2), 50µg/ml in MeOH, 1,2ml

Dehydrocholic Acid, 25g