176442-49-2 AIDS-070508 AIDS070508 Cbz-Phe- .psi.[(R,S)-cis-epoxide]Gly-Val L-Valine, N-[N-[[3-[2-phenyl-1-[[(phenylmethoxy)carbonyl]amino]ethyl]oxiranyl]acetyl]glycyl]-, [2S-[2a,3a(R*)]]-