Citric acid [0.3% wt]

Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59660-24-1

Use Part# 79326 tert-Butyl hydroquinone (TBHQ)

Acetaminophen, 250mg