Roxithromycin-d7, 1mg

Isoproturon, 1000µg/ml in MeOH, 1ml

2-Nitrodiphenylamine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119-75-5

Pentachlorophenol, 100 µg/ml, Methanol, 1ml