(9S,12S)-12-[2-((S)-8-sec-Butyl-7,10-dioxo-2-oxa-6,9-diaza-bicyclo[11.2.2]heptadeca-1(16),13(17),14-trien-11-ylamino)-1-hydroxy-ethyl]-9-isopropyl-2-oxa-8,11-diaza-bicyclo[12.2.2]octadeca-1(17),14(18),15-triene-7,10-dione AIDS-092687 AIDS092687