System Performance Standard, in Heptane, 1x5ml

N-Ethyl-n-perfluorobutanesulfonamide (N-EtFBSA), 50μg/ml in Acetonitrile, 1ml

Ergosterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-87-4

Tadalafil, 100mg