2-Chloropropane, 1ml

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

Metoprolol-d7 hydrochloride (isopropyl-d7), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219798-61-4

Amitrole, 250mg