(1-{(2R)-2-[4,7-Diaza-6-(carbamoylmethyl)-12-oxa-5,8-dioxobicyclo[11.2.2]heptadeca-1(16),13(17),14-trien-3-yl]-2-hydroxyethyl}(2S)(2-piperidyl))-N-(tert-butyl)carboxamide AIDS-050788 AIDS050788 Asn-Phe-Pip Macrocylic deriv.