Leflunomide,neat,neat,10mg,

Dibenzo(a,h)anthracene, 10µg/ml in Acetonitrile, 10ml

n-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3461-29-8

Sodium (Na), 1000µg/ml in 2%-HNO3/Water, 100ml