(2S)-1-{(2R)-2-[(10S,13R)-10-(2-Amino-2-oxoethyl)-8,11-dioxo-2-oxa-9,12-diazabicyclo[13.2.2]nonadeca-1(17),15,18-trien-13-yl]-2-hydroxyethyl}-N-(tert-butyl)piperidine-2-carboxamide AIDS-050790 AIDS050790 Val-Phe-Pip Macrocylic deriv.