(3S,4aS,8aS)-N-(tert-Butyl)-2-{(2R)-2-hydroxy-2-[(12S,15S)-12-isopropyl-10,13-dioxo-2,7-dioxa-11,14-diazabicyclo[15.2.2]henicosa-1(19),17,20-trien-15-yl]ethyl}decahydroisoquinoline-3-carboxamide AIDS-059195 AIDS059195 CO-Val-Phe-psi [CH(O)CH2]-DIQ-NH-tBu 19-member macrocylic