4-n-Nonylphenol, 100 µg/ml, Methanol, 1ml

Oxyphenbutazone monohydrate, 50mg

4,5,7,8,9,10,11,12-Octahydrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 73712-70-6

Ofloxacin, certified, 0.1g