Sildenafil citrate,neat,neat,25mg

Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml

Chrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 218-01-9

Monomethyl phthalate, 250mg