1,2,3,4-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

2,3,3’,4,4’,5’-Hexachlorobiphenyl (157)

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml

Theophylline-d6 (dimethyl-d6), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 11790-39-8