Penicillin G Potassium Salt, 250mg

1,2,8,9-Tetrachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene

5-tert-Butyl-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5781-02-2

7-Nitrobenz[a]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 20268-51-3