(S)-N1-{(S)-1-[(2R,3S)-3-(2-tert-Butylsulfamoyl-ethyl)-oxiranyl]-2-phenyl-ethyl}-2-[(1-quinolin-2-yl-methanoyl)-amino]-succinamide 2-Quin-CO(Asn)Phe Epoxy deriv. AIDS-056930 AIDS056930