AIDS-081461 AIDS081461 Boc-Phe-His-LCA-Ile-Amp L-Histidinamide, N-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanyl-N-[4-(cyclohexylmethy)-2-hydroxy-1-(2-methylpropyl)-5-[[2-methyl-1-[[(2-pyridinylmethyl)amino]carbonyl]butyl]amino]-5-oxopentyl]-, [1S-[1R*,2R*,4S*,5(1R*,2R*)]]-