(S)-N-[(1S,2R)-3-((8S,11S)-8-sec-Butyl-7,10-dioxo-2-oxa-6,9-diaza-bicyclo[11.2.2]heptadeca-1(16),13(17),14-trien-11-ylamino)-2-hydroxy-1-(4-hydroxy-benzyl)-propyl]-3-methyl-2-(2-oxo-pyrrolidin-1-yl)-butyramide AIDS-080637 AIDS080637