(S)-1-[(R)-2-((8S,11S)-8-Carbamoylmethyl-6,9-dioxo-2-oxa-7,10-diaza-bicyclo[11.2.2]heptadeca-1(16),13(17),14-trien-11-yl)-2-hydroxy-ethyl]-pyrrolidine-2-carboxylic acid amide AIDS-050786 AIDS050786 Asn-Phe-Pro Macrocylic deriv.