145031-47-6 AIDS-045149 AIDS045149 Cbz-Trp-Val-Sta-Ala-Sta-OH L-Valinamide, N-[(phenylmethoxy)carbonyl]-L-tryptophyl-N-[4-[[2-[[1-(2-carboxy-1-hydroxyethyl)-3-methylbutyl]amino]-1-methyl-2-oxoethyl]amino]-2-hydroxy-1-(2-methylpropyl)-4-oxobutyl]-, [1S-[1R*,2R*,4[R*[R*(R*)]]]]- Pepstatin A, 1-[N-[(phenylmethoxy)carbonyl]-L-tryptophan]-