Mefenacet, 100 µg/ml, Acetonitrile, 1ml

Perfluoro-4-methyloctanoic acid, 1.2ml x 50ug/ml, methanol

Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

Tolfenamic acid, 100mg