2-Nitrophenol, 100 µg/ml, Methanol, 1ml

2-Phenylphenol, 250mg

2,4,6-Trimethyldibenzothiophene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 185493-79-7

Clofibric acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 882-09-7