AIDS-059706 AIDS059706 Asn-Phe deriv. N1-((1S,2S)-1-Benzyl-3-{2-[(tert-butylamino)carbonyl]phenoxy}-2-hydroxypropyl)-N2-[(10,10-dioxido-9-oxo-9H-thioxanthen-3-yl)carbonyl]-L-aspartamide