p-Xylene, 1000µg/ml in MeOH, 1ml

p-Quaterphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 135-70-6

4-Epitetracycline hydrochloride, 50mg

4-Acetamidoantipyrine, 10.0 µg/ml, Acetonitrile,