2-Quin-CO-Asp-Ala, Epoxy deriv. AIDS-045224 AIDS045224 N1-[(S)-1-((2R,3S)-3-{[Isobutyl-(toluene-4-sulfonyl)-amino]-methyl}-oxiranyl)-2-phenyl-ethyl]-2-[(1-quinolin-2-yl-methanoyl)-amino]-succinamide