European Pharmacopoeia (EP) Reference Standard Synonym(s): Saquinavir mesylate; (2S)-N1[(1S,2R)-3-[(3S,4aS,8aS)-3-[[(1,1-Dimethylethyl)amino]carbonyl]octahydro-2(1H)-isoquinolinyl]-2-hydroxy-1-(phenylmethyl)propyl]-2-[(2-quinolinylcarbonyl)amino]butanediamide methanesulfonate; Ro-31-8959 Empirical...