Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93952-01-3

Benzo[j]fluoranthene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 205-82-3

Vardenafil dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 224789-15-5

Roflumilast, 10mg