Phthalic acid, bis-methylglycol ester, certified, 0.25g

Sodium benzoate

N-Methyl-N'-nitro-N-nitrosoguanidine (wetted with ca. 50% water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 70-25-7

Thallium (Tl)