Phthalamic acid, 100mg

1-Methyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-4, Cas.no. 2622-63-1

Atenolol, 100 µg/ml, Acetonitrile, 5ml

3,4-Dichloronitrobenzene, 250mg