2-Quin-CO(MeSO2Val)Phe Epoxy deriv. AIDS-045178 AIDS045178 [[(5S)-[[N-(2-quinolinecarbonyl)-.beta.-methanesulfonyl-L-valinylyl]amino]-(4R,3S)-epoxy-6-phenyl-hexanoyl]-[(2S)-[1-phenyl-3-methyl]butyl]amide