Propoxycarbazone sodium, 100mg

3-Bromo-2,7,8-trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

Perfluoro-n-[3,4,5-13C3]pentanoic acid, 1.2ml x 50ug/ml, methanol

Ponceau 4RC (E124), certified, 0.1g